201021002202 has 128 divisors (see below), whose sum is σ = 430079569920. Its totient is φ = 62507427840.

The previous prime is 201021002173. The next prime is 201021002227. The reversal of 201021002202 is 202200120102.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 453771793 + ... + 453772235.

It is an arithmetic number, because the mean of its divisors is an integer number (3359996640).

Almost surely, 2^201021002202 is an apocalyptic number.

201021002202 is an abundant number, since it is smaller than the sum of its proper divisors (229058567718).

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

201021002202 is a wasteful number, since it uses less digits than its factorization.

201021002202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 201021002202 its reverse (202200120102), we get a palindrome (403221122304).

The spelling of 201021002202 in words is "two hundred one billion, twenty-one million, two thousand, two hundred two".