121110402102403 has 32 divisors (see below), whose sum is σ = 139984219066752. Its totient is φ = 102632745984000.

The previous prime is 121110402102353. The next prime is 121110402102413. The reversal of 121110402102403 is 304201204011121.

It is a cyclic number.

It is not a de Polignac number, because 121110402102403 - 2⁹ = 121110402101891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121110402102413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1378827375 + ... + 1378915207.

It is an arithmetic number, because the mean of its divisors is an integer number (4374506845836).

Almost surely, 2^{121110402102403} is an apocalyptic number.

121110402102403 is a deficient number, since it is larger than the sum of its proper divisors (18873816964349).

121110402102403 is a wasteful number, since it uses less digits than its factorization.

121110402102403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90735.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 121110402102403 its reverse (304201204011121), we get a palindrome (425311606113524).

The spelling of 121110402102403 in words is "one hundred twenty-one trillion, one hundred ten billion, four hundred two million, one hundred two thousand, four hundred three".