121421402210113 has 16 divisors (see below), whose sum is σ = 127979255992320. Its totient is φ = 115021641518784.

The previous prime is 121421402210081. The next prime is 121421402210179. The reversal of 121421402210113 is 311012204124121.

It is a cyclic number.

It is not a de Polignac number, because 121421402210113 - 2⁵ = 121421402210081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121421402210183) 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, 335104720 + ... + 335466862.

It is an arithmetic number, because the mean of its divisors is an integer number (7998703499520).

Almost surely, 2^{121421402210113} is an apocalyptic number.

It is an amenable number.

121421402210113 is a deficient number, since it is larger than the sum of its proper divisors (6557853782207).

121421402210113 is a wasteful number, since it uses less digits than its factorization.

121421402210113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580368.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 121421402210113 its reverse (311012204124121), we get a palindrome (432433606334234).

The spelling of 121421402210113 in words is "one hundred twenty-one trillion, four hundred twenty-one billion, four hundred two million, two hundred ten thousand, one hundred thirteen".