22212120212010 has 48 divisors (see below), whose sum is σ = 57787450396416. Its totient is φ = 5919546123744.

The previous prime is 22212120211993. The next prime is 22212120212033. The reversal of 22212120212010 is 1021202121222.

It is a happy number.

22212120212010 is a `hidden beast` number, since 222 + 121 + 202 + 120 + 1 + 0 = 666.

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

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, 76644834 + ... + 76934093.

It is an arithmetic number, because the mean of its divisors is an integer number (1203905216592).

Almost surely, 2^{22212120212010} is an apocalyptic number.

22212120212010 is an abundant number, since it is smaller than the sum of its proper divisors (35575330184406).

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

22212120212010 is a wasteful number, since it uses less digits than its factorization.

22212120212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153580547 (or 153580544 counting only the distinct ones).

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

Adding to 22212120212010 its reverse (1021202121222), we get a palindrome (23233322333232).

The spelling of 22212120212010 in words is "twenty-two trillion, two hundred twelve billion, one hundred twenty million, two hundred twelve thousand, ten".