122102102122 has 96 divisors (see below), whose sum is σ = 248112781056. Its totient is φ = 43852976640.

The previous prime is 122102102063. The next prime is 122102102137. The reversal of 122102102122 is 221201201221.

It is a happy number.

It is a super-2 number, since 2×122102102122² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122102102096 and 122102102105.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18120738 + ... + 18127474.

It is an arithmetic number, because the mean of its divisors is an integer number (2584508136).

Almost surely, 2^122102102122 is an apocalyptic number.

122102102122 is an abundant number, since it is smaller than the sum of its proper divisors (126010678934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122102102122 is a wasteful number, since it uses less digits than its factorization.

122102102122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7604 (or 7593 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122102102122 its reverse (221201201221), we get a palindrome (343303303343).

Subtracting 122102102122 from its reverse (221201201221), we obtain a palindrome (99099099099).

The spelling of 122102102122 in words is "one hundred twenty-two billion, one hundred two million, one hundred two thousand, one hundred twenty-two".