21112101100022 has 16 divisors (see below), whose sum is σ = 32535606458880. Its totient is φ = 10269588729768.

The previous prime is 21112101100009. The next prime is 21112101100033. The reversal of 21112101100022 is 22000110121112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 672429872 + ... + 672461267.

It is an arithmetic number, because the mean of its divisors is an integer number (2033475403680).

Almost surely, 2^{21112101100022} is an apocalyptic number.

21112101100022 is a deficient number, since it is larger than the sum of its proper divisors (11423505358858).

21112101100022 is a wasteful number, since it uses less digits than its factorization.

21112101100022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344891355.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21112101100022 its reverse (22000110121112), we get a palindrome (43112211221134).

The spelling of 21112101100022 in words is "twenty-one trillion, one hundred twelve billion, one hundred one million, one hundred thousand, twenty-two".