112101012220121 has 4 divisors (see below), whose sum is σ = 113148685231632. Its totient is φ = 111053339208612.

The previous prime is 112101012220103. The next prime is 112101012220199. The reversal of 112101012220121 is 121022210101211.

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 112101012220121 - 2²⁶ = 112100945111257 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 112101012220121.

It is not an unprimeable number, because it can be changed into a prime (112101012220321) 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, 523836505595 + ... + 523836505808.

It is an arithmetic number, because the mean of its divisors is an integer number (28287171307908).

Almost surely, 2^{112101012220121} is an apocalyptic number.

It is an amenable number.

112101012220121 is a deficient number, since it is larger than the sum of its proper divisors (1047673011511).

112101012220121 is a wasteful number, since it uses less digits than its factorization.

112101012220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047673011510.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 112101012220121 its reverse (121022210101211), we get a palindrome (233123222321332).

The spelling of 112101012220121 in words is "one hundred twelve trillion, one hundred one billion, twelve million, two hundred twenty thousand, one hundred twenty-one".