10211222101020 has 48 divisors (see below), whose sum is σ = 28623801897600. Its totient is φ = 2719908749376.

The previous prime is 10211222101001. The next prime is 10211222101027. The reversal of 10211222101020 is 2010122211201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211222101027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96315670 + ... + 96421629.

It is an arithmetic number, because the mean of its divisors is an integer number (596329206200).

Almost surely, 2^{10211222101020} is an apocalyptic number.

10211222101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10211222101020 is an abundant number, since it is smaller than the sum of its proper divisors (18412579796580).

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

10211222101020 is a wasteful number, since it uses less digits than its factorization.

10211222101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192738194 (or 192738192 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10211222101020 its reverse (2010122211201), we get a palindrome (12221344312221).

The spelling of 10211222101020 in words is "ten trillion, two hundred eleven billion, two hundred twenty-two million, one hundred one thousand, twenty".