112210202220121 has 4 divisors (see below), whose sum is σ = 112210312989712. Its totient is φ = 112210091450532.

The previous prime is 112210202220113. The next prime is 112210202220133. The reversal of 112210202220121 is 121022202012211.

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 112210202220121 - 2³ = 112210202220113 is a prime.

It is a super-2 number, since 2×112210202220121² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112210202221121) 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, 53851131 + ... + 55896016.

It is an arithmetic number, because the mean of its divisors is an integer number (28052578247428).

Almost surely, 2^{112210202220121} is an apocalyptic number.

It is an amenable number.

112210202220121 is a deficient number, since it is larger than the sum of its proper divisors (110769591).

112210202220121 is a wasteful number, since it uses less digits than its factorization.

112210202220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110769590.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 112210202220121 its reverse (121022202012211), we get a palindrome (233232404232332).

The spelling of 112210202220121 in words is "one hundred twelve trillion, two hundred ten billion, two hundred two million, two hundred twenty thousand, one hundred twenty-one".