202021211011902 has 32 divisors (see below), whose sum is σ = 409158138048000. Its totient is φ = 66487789562688.

The previous prime is 202021211011901. The next prime is 202021211012011. The reversal of 202021211011902 is 209110112120202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202021211011901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294213474 + ... + 294899322.

It is an arithmetic number, because the mean of its divisors is an integer number (12786191814000).

Almost surely, 2^{202021211011902} is an apocalyptic number.

202021211011902 is an abundant number, since it is smaller than the sum of its proper divisors (207136927036098).

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

202021211011902 is a wasteful number, since it uses less digits than its factorization.

202021211011902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307360.

The product of its (nonzero) digits is 288, while the sum is 24.

The spelling of 202021211011902 in words is "two hundred two trillion, twenty-one billion, two hundred eleven million, eleven thousand, nine hundred two".