112554511021 has 4 divisors (see below), whose sum is σ = 112916422944. Its totient is φ = 112192599100.

The previous prime is 112554511019. The next prime is 112554511031. The reversal of 112554511021 is 120115455211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112554511021 - 2¹ = 112554511019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112554511001) 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, 180955495 + ... + 180956116.

It is an arithmetic number, because the mean of its divisors is an integer number (28229105736).

Almost surely, 2^112554511021 is an apocalyptic number.

It is an amenable number.

112554511021 is a deficient number, since it is larger than the sum of its proper divisors (361911923).

112554511021 is an equidigital number, since it uses as much as digits as its factorization.

112554511021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361911922.

The product of its (nonzero) digits is 2000, while the sum is 28.

Adding to 112554511021 its reverse (120115455211), we get a palindrome (232669966232).

The spelling of 112554511021 in words is "one hundred twelve billion, five hundred fifty-four million, five hundred eleven thousand, twenty-one".