201120031000 has 64 divisors (see below), whose sum is σ = 537852444480. Its totient is φ = 68955436800.

The previous prime is 201120030973. The next prime is 201120031031. The reversal of 201120031000 is 130021102.

It is a super-2 number, since 2×201120031000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14358717 + ... + 14372716.

It is an arithmetic number, because the mean of its divisors is an integer number (8403944445).

Almost surely, 2^201120031000 is an apocalyptic number.

201120031000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201120031000 is an abundant number, since it is smaller than the sum of its proper divisors (336732413480).

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

201120031000 is a wasteful number, since it uses less digits than its factorization.

201120031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28731461 (or 28731447 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 201120031000 its reverse (130021102), we get a palindrome (201250052102).

The spelling of 201120031000 in words is "two hundred one billion, one hundred twenty million, thirty-one thousand".