2110131221022 has 128 divisors (see below), whose sum is σ = 5148145451520. Its totient is φ = 635362341120.

The previous prime is 2110131220969. The next prime is 2110131221059. The reversal of 2110131221022 is 2201221310112.

2110131221022 is a `hidden beast` number, since 21 + 101 + 312 + 210 + 22 = 666.

It is a super-2 number, since 2×2110131221022² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2110131220986 and 2110131221004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 58919373 + ... + 58955175.

It is an arithmetic number, because the mean of its divisors is an integer number (40219886340).

Almost surely, 2^{2110131221022} is an apocalyptic number.

2110131221022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2110131221022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2574072725760).

2110131221022 is an abundant number, since it is smaller than the sum of its proper divisors (3038014230498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2110131221022 is a wasteful number, since it uses less digits than its factorization.

2110131221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36455 (or 36449 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2110131221022 its reverse (2201221310112), we get a palindrome (4311352531134).

The spelling of 2110131221022 in words is "two trillion, one hundred ten billion, one hundred thirty-one million, two hundred twenty-one thousand, twenty-two".