20212100111022 has 16 divisors (see below), whose sum is σ = 40424257978752. Its totient is φ = 6737357077560.

The previous prime is 20212100111017. The next prime is 20212100111033. The reversal of 20212100111022 is 22011100121202.

It is a junction number, because it is equal to n+sod(n) for n = 20212100110992 and 20212100111010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3118647 + ... + 7081677.

It is an arithmetic number, because the mean of its divisors is an integer number (2526516123672).

Almost surely, 2^{20212100111022} is an apocalyptic number.

20212100111022 is an abundant number, since it is smaller than the sum of its proper divisors (20212157867730).

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

20212100111022 is a wasteful number, since it uses less digits than its factorization.

20212100111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4813063.

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

Adding to 20212100111022 its reverse (22011100121202), we get a palindrome (42223200232224).

The spelling of 20212100111022 in words is "twenty trillion, two hundred twelve billion, one hundred million, one hundred eleven thousand, twenty-two".