122200222002121 has 32 divisors (see below), whose sum is σ = 128616190967808. Its totient is φ = 115880993141760.

The previous prime is 122200222002109. The next prime is 122200222002127. The reversal of 122200222002121 is 121200222002221.

It is a cyclic number.

It is not a de Polignac number, because 122200222002121 - 2⁷ = 122200222001993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122200222002127) 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, 1538560216 + ... + 1538639638.

It is an arithmetic number, because the mean of its divisors is an integer number (4019255967744).

Almost surely, 2^{122200222002121} is an apocalyptic number.

It is an amenable number.

122200222002121 is a deficient number, since it is larger than the sum of its proper divisors (6415968965687).

122200222002121 is a wasteful number, since it uses less digits than its factorization.

122200222002121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80821.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 122200222002121 its reverse (121200222002221), we get a palindrome (243400444004342).

The spelling of 122200222002121 in words is "one hundred twenty-two trillion, two hundred billion, two hundred twenty-two million, two thousand, one hundred twenty-one".