112315045255221 has 16 divisors (see below), whose sum is σ = 150166644076800. Its totient is φ = 74670330406848.

The previous prime is 112315045255207. The next prime is 112315045255253. The reversal of 112315045255221 is 122552540513211.

It is not a de Polignac number, because 112315045255221 - 2¹³ = 112315045247029 is a prime.

It is a super-2 number, since 2×112315045255221² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112315045255221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112315045255291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30609486 + ... + 34081823.

It is an arithmetic number, because the mean of its divisors is an integer number (9385415254800).

Almost surely, 2^{112315045255221} is an apocalyptic number.

It is an amenable number.

112315045255221 is a deficient number, since it is larger than the sum of its proper divisors (37851598821579).

112315045255221 is a wasteful number, since it uses less digits than its factorization.

112315045255221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64692908.

The product of its (nonzero) digits is 120000, while the sum is 39.

Adding to 112315045255221 its reverse (122552540513211), we get a palindrome (234867585768432).

The spelling of 112315045255221 in words is "one hundred twelve trillion, three hundred fifteen billion, forty-five million, two hundred fifty-five thousand, two hundred twenty-one".