21101112201022 has 80 divisors (see below), whose sum is σ = 38538457598592. Its totient is φ = 8648285572080.

The previous prime is 21101112201017. The next prime is 21101112201041. The reversal of 21101112201022 is 22010221110112.

It is a super-2 number, since 2×21101112201022² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21101112200987 and 21101112201005.

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 39 ways as a sum of consecutive naturals, for example, 590536897 + ... + 590572627.

Almost surely, 2^{21101112201022} is an apocalyptic number.

21101112201022 is a deficient number, since it is larger than the sum of its proper divisors (17437345397570).

21101112201022 is an equidigital number, since it uses as much as digits as its factorization.

21101112201022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41131 (or 41110 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 21101112201022 its reverse (22010221110112), we get a palindrome (43111333311134).

The spelling of 21101112201022 in words is "twenty-one trillion, one hundred one billion, one hundred twelve million, two hundred one thousand, twenty-two".