122115102103 has 4 divisors (see below), whose sum is σ = 128542212760. Its totient is φ = 115687991448.

The previous prime is 122115102097. The next prime is 122115102113. The reversal of 122115102103 is 301201511221.

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

It is a cyclic number.

It is not a de Polignac number, because 122115102103 - 2²⁹ = 121578231191 is a prime.

It is a super-2 number, since 2×122115102103² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 6427110637 = 122115102103 / (1 + 2 + 2 + 1 + 1 + 5 + 1 + 0 + 2 + 1 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122115102113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3213555300 + ... + 3213555337.

It is an arithmetic number, because the mean of its divisors is an integer number (32135553190).

Almost surely, 2^122115102103 is an apocalyptic number.

122115102103 is a deficient number, since it is larger than the sum of its proper divisors (6427110657).

122115102103 is an equidigital number, since it uses as much as digits as its factorization.

122115102103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6427110656.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 122115102103 its reverse (301201511221), we get a palindrome (423316613324).

The spelling of 122115102103 in words is "one hundred twenty-two billion, one hundred fifteen million, one hundred two thousand, one hundred three".