22111211111110 has 48 divisors (see below), whose sum is σ = 43754406949008. Its totient is φ = 8039135170880.

The previous prime is 22111211110973. The next prime is 22111211111183. The reversal of 22111211111110 is 1111111211122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5989197 + ... + 8949463.

It is an arithmetic number, because the mean of its divisors is an integer number (911550144771).

Almost surely, 2^{22111211111110} is an apocalyptic number.

22111211111110 is a deficient number, since it is larger than the sum of its proper divisors (21643195837898).

22111211111110 is a wasteful number, since it uses less digits than its factorization.

22111211111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2966469 (or 2966458 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 16.

Adding to 22111211111110 its reverse (1111111211122), we get a palindrome (23222322322232).

The spelling of 22111211111110 in words is "twenty-two trillion, one hundred eleven billion, two hundred eleven million, one hundred eleven thousand, one hundred ten".