22311022111002 has 12 divisors (see below), whose sum is σ = 48340547907210. Its totient is φ = 7437007370328.

The previous prime is 22311022110997. The next prime is 22311022111013. The reversal of 22311022111002 is 20011122011322.

22311022111002 is a `hidden beast` number, since 22 + 311 + 0 + 221 + 110 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21018914760321 + 1292107350681 = 4584639^2 + 1136709^2 .

It is a super-3 number, since 3×22311022111002³ (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), and also a Moran number because the ratio is a prime number: 1239501228389 = 22311022111002 / (2 + 2 + 3 + 1 + 1 + 0 + 2 + 2 + 1 + 1 + 1 + 0 + 0 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 619750614177 + ... + 619750614212.

Almost surely, 2^{22311022111002} is an apocalyptic number.

22311022111002 is an abundant number, since it is smaller than the sum of its proper divisors (26029525796208).

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

22311022111002 is a wasteful number, since it uses less digits than its factorization.

22311022111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239501228397 (or 1239501228394 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 22311022111002 its reverse (20011122011322), we get a palindrome (42322144122324).

The spelling of 22311022111002 in words is "twenty-two trillion, three hundred eleven billion, twenty-two million, one hundred eleven thousand, two".