22211312120 has 64 divisors (see below), whose sum is σ = 51262394400. Its totient is φ = 8656312320.

The previous prime is 22211312099. The next prime is 22211312147. The reversal of 22211312120 is 2121311222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1282076 + ... + 1299284.

Almost surely, 2^22211312120 is an apocalyptic number.

22211312120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22211312120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25631197200).

22211312120 is an abundant number, since it is smaller than the sum of its proper divisors (29051082280).

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

22211312120 is a wasteful number, since it uses less digits than its factorization.

22211312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18048 (or 18044 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22211312120 its reverse (2121311222), we get a palindrome (24332623342).

The spelling of 22211312120 in words is "twenty-two billion, two hundred eleven million, three hundred twelve thousand, one hundred twenty".