22021020212000 has 48 divisors (see below), whose sum is σ = 54105646670712. Its totient is φ = 8808408083200.

The previous prime is 22021020211943. The next prime is 22021020212027. The reversal of 22021020212000 is 21202012022.

It can be written as a sum of positive squares in 4 ways, for example, as 3766285438864 + 18254734773136 = 1940692^2 + 4272556^2 .

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, 2752623527 + ... + 2752631526.

Almost surely, 2^{22021020212000} is an apocalyptic number.

22021020212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22021020212000 is an abundant number, since it is smaller than the sum of its proper divisors (32084626458712).

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

22021020212000 is an equidigital number, since it uses as much as digits as its factorization.

22021020212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505255078 (or 5505255060 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22021020212000 its reverse (21202012022), we get a palindrome (22042222224022).

The spelling of 22021020212000 in words is "twenty-two trillion, twenty-one billion, twenty million, two hundred twelve thousand".