122102102121 has 16 divisors (see below), whose sum is σ = 163548945408. Its totient is φ = 81028458000.

The previous prime is 122102102063. The next prime is 122102102137. The reversal of 122102102121 is 121201201221.

It is not a de Polignac number, because 122102102121 - 2⁷ = 122102101993 is a prime.

It is a super-2 number, since 2×122102102121² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122102102121.

It is not an unprimeable number, because it can be changed into a prime (122102102321) 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, 4993836 + ... + 5018226.

It is an arithmetic number, because the mean of its divisors is an integer number (10221809088).

Almost surely, 2^122102102121 is an apocalyptic number.

It is an amenable number.

122102102121 is a deficient number, since it is larger than the sum of its proper divisors (41446843287).

122102102121 is a wasteful number, since it uses less digits than its factorization.

122102102121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31972.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 122102102121 its reverse (121201201221), we get a palindrome (243303303342).

The spelling of 122102102121 in words is "one hundred twenty-two billion, one hundred two million, one hundred two thousand, one hundred twenty-one".