22212010021122 has 48 divisors (see below), whose sum is σ = 48155513421600. Its totient is φ = 7399467028800.

The previous prime is 22212010021067. The next prime is 22212010021181. The reversal of 22212010021122 is 22112001021222.

It is a happy number.

It is a super-2 number, since 2×22212010021122² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22212010021095 and 22212010021104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 365533222 + ... + 365593982.

It is an arithmetic number, because the mean of its divisors is an integer number (1003239862950).

Almost surely, 2^{22212010021122} is an apocalyptic number.

22212010021122 is an abundant number, since it is smaller than the sum of its proper divisors (25943503400478).

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

22212010021122 is a wasteful number, since it uses less digits than its factorization.

22212010021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72879 (or 72876 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22212010021122 its reverse (22112001021222), we get a palindrome (44324011042344).

It can be divided in two parts, 222120100 and 21122, that added together give a palindrome (222141222).

The spelling of 22212010021122 in words is "twenty-two trillion, two hundred twelve billion, ten million, twenty-one thousand, one hundred twenty-two".