122102120102 has 4 divisors (see below), whose sum is σ = 183153180156. Its totient is φ = 61051060050.

The previous prime is 122102120093. The next prime is 122102120117. The reversal of 122102120102 is 201021201221.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30525530024 + ... + 30525530027.

It is an arithmetic number, because the mean of its divisors is an integer number (45788295039).

Almost surely, 2^122102120102 is an apocalyptic number.

122102120102 is a deficient number, since it is larger than the sum of its proper divisors (61051060054).

122102120102 is an equidigital number, since it uses as much as digits as its factorization.

122102120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61051060053.

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

Adding to 122102120102 its reverse (201021201221), we get a palindrome (323123321323).

It can be divided in two parts, 12210 and 2120102, that added together give a palindrome (2132312).

The spelling of 122102120102 in words is "one hundred twenty-two billion, one hundred two million, one hundred twenty thousand, one hundred two".