22111202211012 has 72 divisors (see below), whose sum is σ = 57710290589952. Its totient is φ = 7130777803200.

The previous prime is 22111202210957. The next prime is 22111202211017. The reversal of 22111202211012 is 21011220211122.

22111202211012 is a `hidden beast` number, since 221 + 1 + 120 + 221 + 101 + 2 = 666.

It is a super-3 number, since 3×22111202211012³ (a number of 41 digits) contains 333 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (22111202211017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1671603 + ... + 6856869.

Almost surely, 2^{22111202211012} is an apocalyptic number.

It is an amenable number.

22111202211012 is an abundant number, since it is smaller than the sum of its proper divisors (35599088378940).

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

22111202211012 is a wasteful number, since it uses less digits than its factorization.

22111202211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5189129 (or 5189124 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 22111202211012 its reverse (21011220211122), we get a palindrome (43122422422134).

The spelling of 22111202211012 in words is "twenty-two trillion, one hundred eleven billion, two hundred two million, two hundred eleven thousand, twelve".