122120011103 has 4 divisors (see below), whose sum is σ = 122238230928. Its totient is φ = 122001791280.

The previous prime is 122120011099. The next prime is 122120011127. The reversal of 122120011103 is 301110021221.

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 122120011103 - 2² = 122120011099 is a prime.

It is a super-2 number, since 2×122120011103² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122120011163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59108363 + ... + 59110428.

It is an arithmetic number, because the mean of its divisors is an integer number (30559557732).

Almost surely, 2^122120011103 is an apocalyptic number.

122120011103 is a deficient number, since it is larger than the sum of its proper divisors (118219825).

122120011103 is a wasteful number, since it uses less digits than its factorization.

122120011103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118219824.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 122120011103 its reverse (301110021221), we get a palindrome (423230032324).

The spelling of 122120011103 in words is "one hundred twenty-two billion, one hundred twenty million, eleven thousand, one hundred three".