112520021357 has 8 divisors (see below), whose sum is σ = 113367537600. Its totient is φ = 111675326400.

The previous prime is 112520021351. The next prime is 112520021359. The reversal of 112520021357 is 753120025211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112520021357 is a prime.

It is a super-2 number, since 2×112520021357² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112520021351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 625223 + ... + 784820.

It is an arithmetic number, because the mean of its divisors is an integer number (14170942200).

Almost surely, 2^112520021357 is an apocalyptic number.

It is an amenable number.

112520021357 is a deficient number, since it is larger than the sum of its proper divisors (847516243).

112520021357 is a wasteful number, since it uses less digits than its factorization.

112520021357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410643.

The product of its (nonzero) digits is 4200, while the sum is 29.

Adding to 112520021357 its reverse (753120025211), we get a palindrome (865640046568).

The spelling of 112520021357 in words is "one hundred twelve billion, five hundred twenty million, twenty-one thousand, three hundred fifty-seven".