21022202001200 has 60 divisors (see below), whose sum is σ = 51145154819040. Its totient is φ = 8302439258880.

The previous prime is 21022202001179. The next prime is 21022202001211. The reversal of 21022202001200 is 210020222012.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 332598179 + ... + 332661378.

It is an arithmetic number, because the mean of its divisors is an integer number (852419246984).

Almost surely, 2^{21022202001200} is an apocalyptic number.

21022202001200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21022202001200 is an abundant number, since it is smaller than the sum of its proper divisors (30122952817840).

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

21022202001200 is a wasteful number, since it uses less digits than its factorization.

21022202001200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665259654 (or 665259643 counting only the distinct ones).

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

Adding to 21022202001200 its reverse (210020222012), we get a palindrome (21232222223212).

The spelling of 21022202001200 in words is "twenty-one trillion, twenty-two billion, two hundred two million, one thousand, two hundred".