112122222200121 has 48 divisors (see below), whose sum is σ = 178606490793984. Its totient is φ = 62337340267776.

The previous prime is 112122222200111. The next prime is 112122222200189. The reversal of 112122222200121 is 121002222221211.

It is not a de Polignac number, because 112122222200121 - 2³⁷ = 111984783246649 is a prime.

It is a super-2 number, since 2×112122222200121² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (112122222200111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 647333896 + ... + 647507078.

It is an arithmetic number, because the mean of its divisors is an integer number (3720968558208).

Almost surely, 2^{112122222200121} is an apocalyptic number.

It is an amenable number.

112122222200121 is a deficient number, since it is larger than the sum of its proper divisors (66484268593863).

112122222200121 is a wasteful number, since it uses less digits than its factorization.

112122222200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292270 (or 292263 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 112122222200121 its reverse (121002222221211), we get a palindrome (233124444421332).

The spelling of 112122222200121 in words is "one hundred twelve trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred thousand, one hundred twenty-one".