122112222101 has 4 divisors (see below), whose sum is σ = 122576527392. Its totient is φ = 121647916812.

The previous prime is 122112222013. The next prime is 122112222103. The reversal of 122112222101 is 101222211221.

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 122112222101 - 2²⁶ = 122045113237 is a prime.

It is a super-2 number, since 2×122112222101² (a number of 23 digits) contains 22 as substring.

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 122112222101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122112222103) 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, 232152251 + ... + 232152776.

It is an arithmetic number, because the mean of its divisors is an integer number (30644131848).

Almost surely, 2^122112222101 is an apocalyptic number.

It is an amenable number.

122112222101 is a deficient number, since it is larger than the sum of its proper divisors (464305291).

122112222101 is an equidigital number, since it uses as much as digits as its factorization.

122112222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464305290.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122112222101 its reverse (101222211221), we get a palindrome (223334433322).

The spelling of 122112222101 in words is "one hundred twenty-two billion, one hundred twelve million, two hundred twenty-two thousand, one hundred one".