97911112120200 has 72 divisors (see below), whose sum is σ = 328818151543050. Its totient is φ = 26109629898240.

The previous prime is 97911112120183. The next prime is 97911112120229. The reversal of 97911112120200 is 202121111979.

It can be written as a sum of positive squares in 3 ways, for example, as 74468995129764 + 23442116990436 = 8629542^2 + 4841706^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a super-2 number, since 2×97911112120200² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27197529345 + ... + 27197532944.

Almost surely, 2^{97911112120200} is an apocalyptic number.

97911112120200 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

97911112120200 is an abundant number, since it is smaller than the sum of its proper divisors (230907039422850).

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

97911112120200 is a wasteful number, since it uses less digits than its factorization.

97911112120200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54395062311 (or 54395062299 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The spelling of 97911112120200 in words is "ninety-seven trillion, nine hundred eleven billion, one hundred twelve million, one hundred twenty thousand, two hundred".