22211102101220 has 12 divisors (see below), whose sum is σ = 46643314412604. Its totient is φ = 8884440840480.

The previous prime is 22211102101169. The next prime is 22211102101301. The reversal of 22211102101220 is 2210120111222.

It can be written as a sum of positive squares in 2 ways, for example, as 6173704273636 + 16037397827584 = 2484694^2 + 4004672^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555277552511 + ... + 555277552550.

It is an arithmetic number, because the mean of its divisors is an integer number (3886942867717).

Almost surely, 2^{22211102101220} is an apocalyptic number.

22211102101220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211102101220 is an abundant number, since it is smaller than the sum of its proper divisors (24432212311384).

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

22211102101220 is a wasteful number, since it uses less digits than its factorization.

22211102101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110555105070 (or 1110555105068 counting only the distinct ones).

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

Adding to 22211102101220 its reverse (2210120111222), we get a palindrome (24421222212442).

The spelling of 22211102101220 in words is "twenty-two trillion, two hundred eleven billion, one hundred two million, one hundred one thousand, two hundred twenty".