22211210212120 has 32 divisors (see below), whose sum is σ = 50228904330000. Its totient is φ = 8839385177728.

The previous prime is 22211210212033. The next prime is 22211210212253. The reversal of 22211210212120 is 2121201211222.

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, 1409332870 + ... + 1409348629.

Almost surely, 2^{22211210212120} is an apocalyptic number.

22211210212120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22211210212120 is an abundant number, since it is smaller than the sum of its proper divisors (28017694117880).

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

22211210212120 is a wasteful number, since it uses less digits than its factorization.

22211210212120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2818681707 (or 2818681703 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22211210212120 its reverse (2121201211222), we get a palindrome (24332411423342).

The spelling of 22211210212120 in words is "twenty-two trillion, two hundred eleven billion, two hundred ten million, two hundred twelve thousand, one hundred twenty".