222131011112121 has 32 divisors (see below), whose sum is σ = 309037113999360. Its totient is φ = 141746169789504.

The previous prime is 222131011112113. The next prime is 222131011112149. The reversal of 222131011112121 is 121211110131222.

It is not a de Polignac number, because 222131011112121 - 2³ = 222131011112113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222131011112921) 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, 6682276 + ... + 22111418.

It is an arithmetic number, because the mean of its divisors is an integer number (9657409812480).

Almost surely, 2^{222131011112121} is an apocalyptic number.

It is an amenable number.

222131011112121 is a deficient number, since it is larger than the sum of its proper divisors (86906102887239).

222131011112121 is a wasteful number, since it uses less digits than its factorization.

222131011112121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15430605.

The product of its (nonzero) digits is 96, while the sum is 21.

Adding to 222131011112121 its reverse (121211110131222), we get a palindrome (343342121243343).

The spelling of 222131011112121 in words is "two hundred twenty-two trillion, one hundred thirty-one billion, eleven million, one hundred twelve thousand, one hundred twenty-one".