21033311022102 has 16 divisors (see below), whose sum is σ = 42147055362240. Its totient is φ = 6997698121032.

The previous prime is 21033311022091. The next prime is 21033311022121. The reversal of 21033311022102 is 20122011333012.

It is a congruent number.

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, 3351384852 + ... + 3351391127.

It is an arithmetic number, because the mean of its divisors is an integer number (2634190960140).

Almost surely, 2^{21033311022102} is an apocalyptic number.

21033311022102 is an abundant number, since it is smaller than the sum of its proper divisors (21113744340138).

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

21033311022102 is a wasteful number, since it uses less digits than its factorization.

21033311022102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6702776507.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21033311022102 its reverse (20122011333012), we get a palindrome (41155322355114).

The spelling of 21033311022102 in words is "twenty-one trillion, thirty-three billion, three hundred eleven million, twenty-two thousand, one hundred two".