22111111122010 has 16 divisors (see below), whose sum is σ = 40360563401472. Its totient is φ = 8719874808400.

The previous prime is 22111111121999. The next prime is 22111111122013. The reversal of 22111111122010 is 1022111111122.

It is a super-2 number, since 2×22111111122010² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22111111122013) 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 7 ways as a sum of consecutive naturals, for example, 15571204306 + ... + 15571205725.

It is an arithmetic number, because the mean of its divisors is an integer number (2522535212592).

Almost surely, 2^{22111111122010} is an apocalyptic number.

22111111122010 is a deficient number, since it is larger than the sum of its proper divisors (18249452279462).

22111111122010 is a wasteful number, since it uses less digits than its factorization.

22111111122010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31142410109.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 22111111122010 its reverse (1022111111122), we get a palindrome (23133222233132).

The spelling of 22111111122010 in words is "twenty-two trillion, one hundred eleven billion, one hundred eleven million, one hundred twenty-two thousand, ten".