112120010012121 has 4 divisors (see below), whose sum is σ = 149493346682832. Its totient is φ = 74746673341412.

The previous prime is 112120010012119. The next prime is 112120010012173. The reversal of 112120010012121 is 121210010021211.

It is a happy number.

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 112120010012121 - 2¹ = 112120010012119 is a prime.

It is a super-2 number, since 2×112120010012121² (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 112120010012121.

It is not an unprimeable number, because it can be changed into a prime (112120010012821) 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, 18686668335351 + ... + 18686668335356.

It is an arithmetic number, because the mean of its divisors is an integer number (37373336670708).

Almost surely, 2^{112120010012121} is an apocalyptic number.

It is an amenable number.

112120010012121 is a deficient number, since it is larger than the sum of its proper divisors (37373336670711).

112120010012121 is an equidigital number, since it uses as much as digits as its factorization.

112120010012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37373336670710.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 112120010012121 its reverse (121210010021211), we get a palindrome (233330020033332).

The spelling of 112120010012121 in words is "one hundred twelve trillion, one hundred twenty billion, ten million, twelve thousand, one hundred twenty-one".