22111222002010 has 64 divisors (see below), whose sum is σ = 41051408459040. Its totient is φ = 8569466081280.

The previous prime is 22111222001989. The next prime is 22111222002029. The reversal of 22111222002010 is 1020022211122.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 1703695836049 + 20407526165961 = 1305257^2 + 4517469^2 .

It is a super-2 number, since 2×22111222002010² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 128460886 + ... + 128632894.

Almost surely, 2^{22111222002010} is an apocalyptic number.

22111222002010 is a deficient number, since it is larger than the sum of its proper divisors (18940186457030).

22111222002010 is a wasteful number, since it uses less digits than its factorization.

22111222002010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174211.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22111222002010 its reverse (1020022211122), we get a palindrome (23131244213132).

The spelling of 22111222002010 in words is "twenty-two trillion, one hundred eleven billion, two hundred twenty-two million, two thousand, ten".