20021012110022 has 96 divisors (see below), whose sum is σ = 39163762582560. Its totient is φ = 7585064363520.

The previous prime is 20021012110003. The next prime is 20021012110031. The reversal of 20021012110022 is 22001121012002.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 20021012109979 and 20021012110006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67378754 + ... + 67675242.

It is an arithmetic number, because the mean of its divisors is an integer number (407955860235).

Almost surely, 2^{20021012110022} is an apocalyptic number.

20021012110022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20021012110022 is a deficient number, since it is larger than the sum of its proper divisors (19142750472538).

20021012110022 is a wasteful number, since it uses less digits than its factorization.

20021012110022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298246 (or 298239 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20021012110022 its reverse (22001121012002), we get a palindrome (42022133122024).

The spelling of 20021012110022 in words is "twenty trillion, twenty-one billion, twelve million, one hundred ten thousand, twenty-two".