121426610113 has 24 divisors (see below), whose sum is σ = 131082482304. Its totient is φ = 112265493120.

The previous prime is 121426610093. The next prime is 121426610153. The reversal of 121426610113 is 311016624121.

It is not a de Polignac number, because 121426610113 - 2¹³ = 121426601921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121426610153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21591820 + ... + 21597442.

It is an arithmetic number, because the mean of its divisors is an integer number (5461770096).

Almost surely, 2^121426610113 is an apocalyptic number.

It is an amenable number.

121426610113 is a deficient number, since it is larger than the sum of its proper divisors (9655872191).

121426610113 is an equidigital number, since it uses as much as digits as its factorization.

121426610113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6685 (or 6654 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 121426610113 in words is "one hundred twenty-one billion, four hundred twenty-six million, six hundred ten thousand, one hundred thirteen".