122102212200121 has 16 divisors (see below), whose sum is σ = 133853020200000. Its totient is φ = 110937382992576.

The previous prime is 122102212200109. The next prime is 122102212200187. The reversal of 122102212200121 is 121002212201221.

It is not a de Polignac number, because 122102212200121 - 2⁹ = 122102212199609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (122102212230121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 743545791 + ... + 743709988.

It is an arithmetic number, because the mean of its divisors is an integer number (8365813762500).

Almost surely, 2^{122102212200121} is an apocalyptic number.

It is an amenable number.

122102212200121 is a deficient number, since it is larger than the sum of its proper divisors (11750807999879).

122102212200121 is a wasteful number, since it uses less digits than its factorization.

122102212200121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487255976.

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

Adding to 122102212200121 its reverse (121002212201221), we get a palindrome (243104424401342).

The spelling of 122102212200121 in words is "one hundred twenty-two trillion, one hundred two billion, two hundred twelve million, two hundred thousand, one hundred twenty-one".