22212021000136 has 64 divisors (see below), whose sum is σ = 46900605173760. Its totient is φ = 9770408040000.

The previous prime is 22212021000089. The next prime is 22212021000137. The reversal of 22212021000136 is 63100012021222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (22212021000137) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 119357961 + ... + 119543911.

It is an arithmetic number, because the mean of its divisors is an integer number (732821955840).

Almost surely, 2^{22212021000136} is an apocalyptic number.

It is an amenable number.

22212021000136 is an abundant number, since it is smaller than the sum of its proper divisors (24688584173624).

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

22212021000136 is a wasteful number, since it uses less digits than its factorization.

22212021000136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229786 (or 229782 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 22212021000136 its reverse (63100012021222), we get a palindrome (85312033021358).

The spelling of 22212021000136 in words is "twenty-two trillion, two hundred twelve billion, twenty-one million, one hundred thirty-six", and thus it is an aban number.