222122111101121 has 32 divisors (see below), whose sum is σ = 284732701618176. Its totient is φ = 168237545616000.

The previous prime is 222122111101043. The next prime is 222122111101139. The reversal of 222122111101121 is 121101111221222.

It is a happy number.

It is not a de Polignac number, because 222122111101121 - 2¹⁸ = 222122110838977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222122111101093 and 222122111101102.

It is not an unprimeable number, because it can be changed into a prime (222122111101141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 128957375 + ... + 130668468.

It is an arithmetic number, because the mean of its divisors is an integer number (8897896925568).

Almost surely, 2^{222122111101121} is an apocalyptic number.

It is an amenable number.

222122111101121 is a deficient number, since it is larger than the sum of its proper divisors (62610590517055).

222122111101121 is a wasteful number, since it uses less digits than its factorization.

222122111101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259626173.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 222122111101121 its reverse (121101111221222), we get a palindrome (343223222322343).

The spelling of 222122111101121 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, one hundred eleven million, one hundred one thousand, one hundred twenty-one".