201011232120 has 32 divisors (see below), whose sum is σ = 603033696720. Its totient is φ = 53602995200.

The previous prime is 201011232047. The next prime is 201011232181. The reversal of 201011232120 is 21232110102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 201011232120.

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, 837546681 + ... + 837546920.

Almost surely, 2^201011232120 is an apocalyptic number.

201011232120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201011232120 is an abundant number, since it is smaller than the sum of its proper divisors (402022464600).

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

201011232120 is a wasteful number, since it uses less digits than its factorization.

201011232120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675093615 (or 1675093611 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 201011232120 its reverse (21232110102), we get a palindrome (222243342222).

The spelling of 201011232120 in words is "two hundred one billion, eleven million, two hundred thirty-two thousand, one hundred twenty".