122000210121 has 16 divisors (see below), whose sum is σ = 169778488320. Its totient is φ = 77852561280.

The previous prime is 122000210117. The next prime is 122000210141. The reversal of 122000210121 is 121012000221.

It is not a de Polignac number, because 122000210121 - 2² = 122000210117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122000210097 and 122000210106.

It is not an unprimeable number, because it can be changed into a prime (122000210141) 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, 9350761 + ... + 9363798.

It is an arithmetic number, because the mean of its divisors is an integer number (10611155520).

Almost surely, 2^122000210121 is an apocalyptic number.

It is an amenable number.

122000210121 is a deficient number, since it is larger than the sum of its proper divisors (47778278199).

122000210121 is a wasteful number, since it uses less digits than its factorization.

122000210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18714656.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122000210121 its reverse (121012000221), we get a palindrome (243012210342).

The spelling of 122000210121 in words is "one hundred twenty-two billion, two hundred ten thousand, one hundred twenty-one".