202111131132 has 72 divisors (see below), whose sum is σ = 538087245696. Its totient is φ = 63838947744.

The previous prime is 202111131113. The next prime is 202111131197. The reversal of 202111131132 is 231131111202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1052038 + ... + 1229229.

It is an arithmetic number, because the mean of its divisors is an integer number (7473433968).

Almost surely, 2^202111131132 is an apocalyptic number.

It is an amenable number.

202111131132 is an abundant number, since it is smaller than the sum of its proper divisors (335976114564).

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

202111131132 is a wasteful number, since it uses less digits than its factorization.

202111131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281407 (or 2281402 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 202111131132 its reverse (231131111202), we get a palindrome (433242242334).

The spelling of 202111131132 in words is "two hundred two billion, one hundred eleven million, one hundred thirty-one thousand, one hundred thirty-two".