21122112001202 has 16 divisors (see below), whose sum is σ = 31801276330560. Its totient is φ = 10521687365712.

The previous prime is 21122112001189. The next prime is 21122112001217. The reversal of 21122112001202 is 20210021122112.

It is a super-2 number, since 2×21122112001202² (a number of 27 digits) contains 22 as substring.

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, 87704483 + ... + 87944985.

It is an arithmetic number, because the mean of its divisors is an integer number (1987579770660).

Almost surely, 2^{21122112001202} is an apocalyptic number.

21122112001202 is a deficient number, since it is larger than the sum of its proper divisors (10679164329358).

21122112001202 is a wasteful number, since it uses less digits than its factorization.

21122112001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404017.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 21122112001202 its reverse (20210021122112), we get a palindrome (41332133123314).

The spelling of 21122112001202 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred twelve million, one thousand, two hundred two".