222102112129 has 2 divisors, whose sum is σ = 222102112130. Its totient is φ = 222102112128.

The previous prime is 222102112097. The next prime is 222102112147. The reversal of 222102112129 is 921211201222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152486345025 + 69615767104 = 390495^2 + 263848^2 .

It is a cyclic number.

It is not a de Polignac number, because 222102112129 - 2⁵ = 222102112097 is a prime.

It is not a weakly prime, because it can be changed into another prime (222402112129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111051056064 + 111051056065.

It is an arithmetic number, because the mean of its divisors is an integer number (111051056065).

Almost surely, 2^222102112129 is an apocalyptic number.

It is an amenable number.

222102112129 is a deficient number, since it is larger than the sum of its proper divisors (1).

222102112129 is an equidigital number, since it uses as much as digits as its factorization.

222102112129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 222102112129 in words is "two hundred twenty-two billion, one hundred two million, one hundred twelve thousand, one hundred twenty-nine".