121110103121 has 16 divisors (see below), whose sum is σ = 147137316480. Its totient is φ = 97312992000.

The previous prime is 121110103099. The next prime is 121110103129. The reversal of 121110103121 is 121301011121.

It is not a de Polignac number, because 121110103121 - 2⁶ = 121110103057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121110103096 and 121110103105.

It is not an unprimeable number, because it can be changed into a prime (121110103129) 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, 1997486 + ... + 2057223.

It is an arithmetic number, because the mean of its divisors is an integer number (9196082280).

Almost surely, 2^121110103121 is an apocalyptic number.

It is an amenable number.

121110103121 is a deficient number, since it is larger than the sum of its proper divisors (26027213359).

121110103121 is a wasteful number, since it uses less digits than its factorization.

121110103121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054984.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 121110103121 its reverse (121301011121), we get a palindrome (242411114242).

The spelling of 121110103121 in words is "one hundred twenty-one billion, one hundred ten million, one hundred three thousand, one hundred twenty-one".