20221100112102 has 64 divisors (see below), whose sum is σ = 42101259992064. Its totient is φ = 6469068533760.

The previous prime is 20221100112049. The next prime is 20221100112131. The reversal of 20221100112102 is 20121100112202.

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 31 ways as a sum of consecutive naturals, for example, 10955043 + ... + 12667089.

It is an arithmetic number, because the mean of its divisors is an integer number (657832187376).

Almost surely, 2^{20221100112102} is an apocalyptic number.

20221100112102 is an abundant number, since it is smaller than the sum of its proper divisors (21880159879962).

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

20221100112102 is a wasteful number, since it uses less digits than its factorization.

20221100112102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712813.

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

Adding to 20221100112102 its reverse (20121100112202), we get a palindrome (40342200224304).

The spelling of 20221100112102 in words is "twenty trillion, two hundred twenty-one billion, one hundred million, one hundred twelve thousand, one hundred two".