202001909101 has 16 divisors (see below), whose sum is σ = 203350159360. Its totient is φ = 200659829040.

The previous prime is 202001909099. The next prime is 202001909111. The reversal of 202001909101 is 101909100202.

It is a cyclic number.

It is not a de Polignac number, because 202001909101 - 2¹ = 202001909099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001909111) 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, 185833780 + ... + 185834866.

It is an arithmetic number, because the mean of its divisors is an integer number (12709384960).

Almost surely, 2^202001909101 is an apocalyptic number.

It is an amenable number.

202001909101 is a deficient number, since it is larger than the sum of its proper divisors (1348250259).

202001909101 is a wasteful number, since it uses less digits than its factorization.

202001909101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 202001909101 in words is "two hundred two billion, one million, nine hundred nine thousand, one hundred one".