21033313212202 has 16 divisors (see below), whose sum is σ = 32434497260424. Its totient is φ = 10223639776000.

The previous prime is 21033313212199. The next prime is 21033313212221. The reversal of 21033313212202 is 20221231333012.

It can be written as a sum of positive squares in 4 ways, for example, as 13580691669601 + 7452621542601 = 3685199^2 + 2729949^2 .

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, 456389449 + ... + 456435532.

Almost surely, 2^{21033313212202} is an apocalyptic number.

21033313212202 is a deficient number, since it is larger than the sum of its proper divisors (11401184048222).

21033313212202 is a wasteful number, since it uses less digits than its factorization.

21033313212202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912825305.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 21033313212202 its reverse (20221231333012), we get a palindrome (41254544545214).

The spelling of 21033313212202 in words is "twenty-one trillion, thirty-three billion, three hundred thirteen million, two hundred twelve thousand, two hundred two".