201011017807902 has 32 divisors (see below), whose sum is σ = 405110341025280. Its totient is φ = 66489004112960.

The previous prime is 201011017807877. The next prime is 201011017807903. The reversal of 201011017807902 is 209708710110102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201011017807903) 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, 10286578 + ... + 22535210.

It is an arithmetic number, because the mean of its divisors is an integer number (12659698157040).

Almost surely, 2^{201011017807902} is an apocalyptic number.

201011017807902 is an abundant number, since it is smaller than the sum of its proper divisors (204099323217378).

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

201011017807902 is a wasteful number, since it uses less digits than its factorization.

201011017807902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12269648.

The product of its (nonzero) digits is 14112, while the sum is 39.

The spelling of 201011017807902 in words is "two hundred one trillion, eleven billion, seventeen million, eight hundred seven thousand, nine hundred two".