22110022111220 has 24 divisors (see below), whose sum is σ = 46433018431464. Its totient is φ = 8843633225856.

The previous prime is 22110022111127. The next prime is 22110022111259. The reversal of 22110022111220 is 2211122001122.

22110022111220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 230772630544 + 21879249480676 = 480388^2 + 4677526^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22993247 + ... + 23935526.

It is an arithmetic number, because the mean of its divisors is an integer number (1934709101311).

Almost surely, 2^{22110022111220} is an apocalyptic number.

22110022111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110022111220 is an abundant number, since it is smaller than the sum of its proper divisors (24322996320244).

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

22110022111220 is a wasteful number, since it uses less digits than its factorization.

22110022111220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46952339 (or 46952337 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22110022111220 its reverse (2211122001122), we get a palindrome (24321144112342).

The spelling of 22110022111220 in words is "twenty-two trillion, one hundred ten billion, twenty-two million, one hundred eleven thousand, two hundred twenty".