112542220151 has 4 divisors (see below), whose sum is σ = 112786346904. Its totient is φ = 112298093400.

The previous prime is 112542220111. The next prime is 112542220157. The reversal of 112542220151 is 151022245211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112542220151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112542220151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112542220157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122062685 + ... + 122063606.

It is an arithmetic number, because the mean of its divisors is an integer number (28196586726).

Almost surely, 2^112542220151 is an apocalyptic number.

112542220151 is a deficient number, since it is larger than the sum of its proper divisors (244126753).

112542220151 is an equidigital number, since it uses as much as digits as its factorization.

112542220151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244126752.

The product of its (nonzero) digits is 1600, while the sum is 26.

Adding to 112542220151 its reverse (151022245211), we get a palindrome (263564465362).

The spelling of 112542220151 in words is "one hundred twelve billion, five hundred forty-two million, two hundred twenty thousand, one hundred fifty-one".