22010021212110 has 16 divisors (see below), whose sum is σ = 52824050909136. Its totient is φ = 5869338989888.

The previous prime is 22010021212087. The next prime is 22010021212111. The reversal of 22010021212110 is 1121212001022.

It is a super-2 number, since 2×22010021212110² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 22010021212110.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22010021212111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366833686839 + ... + 366833686898.

It is an arithmetic number, because the mean of its divisors is an integer number (3301503181821).

Almost surely, 2^{22010021212110} is an apocalyptic number.

22010021212110 is an abundant number, since it is smaller than the sum of its proper divisors (30814029697026).

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

22010021212110 is a wasteful number, since it uses less digits than its factorization.

22010021212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733667373747.

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

Adding to 22010021212110 its reverse (1121212001022), we get a palindrome (23131233213132).

The spelling of 22010021212110 in words is "twenty-two trillion, ten billion, twenty-one million, two hundred twelve thousand, one hundred ten".