112101222121 has 8 divisors (see below), whose sum is σ = 128139315584. Its totient is φ = 96069036960.

The previous prime is 112101222113. The next prime is 112101222127. The reversal of 112101222121 is 121222101211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112101222121 - 2³ = 112101222113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112101222095 and 112101222104.

It is not an unprimeable number, because it can be changed into a prime (112101222127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1436340 + ... + 1512373.

It is an arithmetic number, because the mean of its divisors is an integer number (16017414448).

Almost surely, 2^112101222121 is an apocalyptic number.

It is an amenable number.

112101222121 is a deficient number, since it is larger than the sum of its proper divisors (16038093463).

112101222121 is an equidigital number, since it uses as much as digits as its factorization.

112101222121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954151.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 112101222121 its reverse (121222101211), we get a palindrome (233323323332).

The spelling of 112101222121 in words is "one hundred twelve billion, one hundred one million, two hundred twenty-two thousand, one hundred twenty-one".