22101210212000 has 48 divisors (see below), whose sum is σ = 54302673500712. Its totient is φ = 8840484083200.

The previous prime is 22101210211987. The next prime is 22101210212017. The reversal of 22101210212000 is 21201210122.

It can be written as a sum of positive squares in 4 ways, for example, as 2687986482064 + 19413223729936 = 1639508^2 + 4406044^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2762647277 + ... + 2762655276.

Almost surely, 2^{22101210212000} is an apocalyptic number.

22101210212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101210212000 is an abundant number, since it is smaller than the sum of its proper divisors (32201463288712).

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

22101210212000 is an equidigital number, since it uses as much as digits as its factorization.

22101210212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5525302578 (or 5525302560 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22101210212000 its reverse (21201210122), we get a palindrome (22122411422122).

The spelling of 22101210212000 in words is "twenty-two trillion, one hundred one billion, two hundred ten million, two hundred twelve thousand".