201131301221112 has 16 divisors (see below), whose sum is σ = 502828253052840. Its totient is φ = 67043767073696.

The previous prime is 201131301221111. The next prime is 201131301221177. The reversal of 201131301221112 is 211122103131102.

It is a super-3 number, since 3×201131301221112³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201131301221111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4190235442083 + ... + 4190235442130.

Almost surely, 2^{201131301221112} is an apocalyptic number.

It is an amenable number.

201131301221112 is an abundant number, since it is smaller than the sum of its proper divisors (301696951831728).

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

201131301221112 is a wasteful number, since it uses less digits than its factorization.

201131301221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8380470884222 (or 8380470884218 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 201131301221112 its reverse (211122103131102), we get a palindrome (412253404352214).

The spelling of 201131301221112 in words is "two hundred one trillion, one hundred thirty-one billion, three hundred one million, two hundred twenty-one thousand, one hundred twelve".