32101220111200 has 72 divisors (see below), whose sum is σ = 78384935043072. Its totient is φ = 12837566353920.

The previous prime is 32101220111197. The next prime is 32101220111237. The reversal of 32101220111200 is 211102210123.

It is a super-2 number, since 2×32101220111200² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1045344 + ... + 8080543.

It is an arithmetic number, because the mean of its divisors is an integer number (1088679653376).

Almost surely, 2^{32101220111200} is an apocalyptic number.

It is an amenable number.

32101220111200 is an abundant number, since it is smaller than the sum of its proper divisors (46283714931872).

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

32101220111200 is a wasteful number, since it uses less digits than its factorization.

32101220111200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9130304 (or 9130291 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 32101220111200 its reverse (211102210123), we get a palindrome (32312322321323).

The spelling of 32101220111200 in words is "thirty-two trillion, one hundred one billion, two hundred twenty million, one hundred eleven thousand, two hundred".