122002102121 has 16 divisors (see below), whose sum is σ = 124896648960. Its totient is φ = 119137711680.

The previous prime is 122002102109. The next prime is 122002102133. The reversal of 122002102121 is 121201200221.

It is an interprime number because it is at equal distance from previous prime (122002102109) and next prime (122002102133).

It is a cyclic number.

It is not a de Polignac number, because 122002102121 - 2²² = 121997907817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122002102096 and 122002102105.

It is not an unprimeable number, because it can be changed into a prime (122002102171) 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, 13087100 + ... + 13096418.

It is an arithmetic number, because the mean of its divisors is an integer number (7806040560).

Almost surely, 2^122002102121 is an apocalyptic number.

It is an amenable number.

122002102121 is a deficient number, since it is larger than the sum of its proper divisors (2894546839).

122002102121 is a wasteful number, since it uses less digits than its factorization.

122002102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10904.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 122002102121 its reverse (121201200221), we get a palindrome (243203302342).

The spelling of 122002102121 in words is "one hundred twenty-two billion, two million, one hundred two thousand, one hundred twenty-one".