21010112002022 has 32 divisors (see below), whose sum is σ = 37229369827104. Its totient is φ = 8766727545600.

The previous prime is 21010112002001. The next prime is 21010112002063. The reversal of 21010112002022 is 22020021101012.

It is a junction number, because it is equal to n+sod(n) for n = 21010112001988 and 21010112002006.

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, 202881743 + ... + 202985274.

It is an arithmetic number, because the mean of its divisors is an integer number (1163417807097).

Almost surely, 2^{21010112002022} is an apocalyptic number.

21010112002022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21010112002022 is a deficient number, since it is larger than the sum of its proper divisors (16219257825082).

21010112002022 is a wasteful number, since it uses less digits than its factorization.

21010112002022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405867224.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 21010112002022 its reverse (22020021101012), we get a palindrome (43030133103034).

The spelling of 21010112002022 in words is "twenty-one trillion, ten billion, one hundred twelve million, two thousand, twenty-two".