112212112101 has 4 divisors (see below), whose sum is σ = 149616149472. Its totient is φ = 74808074732.

The previous prime is 112212112099. The next prime is 112212112123. The reversal of 112212112101 is 101211212211.

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 112212112101 - 2¹ = 112212112099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112212112601) 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, 18702018681 + ... + 18702018686.

It is an arithmetic number, because the mean of its divisors is an integer number (37404037368).

Almost surely, 2^112212112101 is an apocalyptic number.

It is an amenable number.

112212112101 is a deficient number, since it is larger than the sum of its proper divisors (37404037371).

112212112101 is an equidigital number, since it uses as much as digits as its factorization.

112212112101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37404037370.

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

Adding to 112212112101 its reverse (101211212211), we get a palindrome (213423324312).

The spelling of 112212112101 in words is "one hundred twelve billion, two hundred twelve million, one hundred twelve thousand, one hundred one".