121120002103 has 16 divisors (see below), whose sum is σ = 123292998400. Its totient is φ = 118961991360.

The previous prime is 121120002077. The next prime is 121120002121. The reversal of 121120002103 is 301200021121.

It is not a de Polignac number, because 121120002103 - 2¹⁷ = 121119871031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120002193) 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, 18295528 + ... + 18302146.

It is an arithmetic number, because the mean of its divisors is an integer number (7705812400).

Almost surely, 2^121120002103 is an apocalyptic number.

121120002103 is a deficient number, since it is larger than the sum of its proper divisors (2172996297).

121120002103 is an equidigital number, since it uses as much as digits as its factorization.

121120002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7702.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 121120002103 its reverse (301200021121), we get a palindrome (422320023224).

The spelling of 121120002103 in words is "one hundred twenty-one billion, one hundred twenty million, two thousand, one hundred three".