20112100100022 has 32 divisors (see below), whose sum is σ = 48674662428672. Its totient is φ = 5408295825024.

The previous prime is 20112100099997. The next prime is 20112100100069. The reversal of 20112100100022 is 22000100121102.

It is a junction number, because it is equal to n+sod(n) for n = 20112100099980 and 20112100100007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14084102998 + ... + 14084104425.

It is an arithmetic number, because the mean of its divisors is an integer number (1521083200896).

Almost surely, 2^{20112100100022} is an apocalyptic number.

20112100100022 is an abundant number, since it is smaller than the sum of its proper divisors (28562562328650).

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

20112100100022 is a wasteful number, since it uses less digits than its factorization.

20112100100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28168207452.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 20112100100022 its reverse (22000100121102), we get a palindrome (42112200221124).

The spelling of 20112100100022 in words is "twenty trillion, one hundred twelve billion, one hundred million, one hundred thousand, twenty-two".