121426610111 has 8 divisors (see below), whose sum is σ = 121716301824. Its totient is φ = 121137037560.

The previous prime is 121426610093. The next prime is 121426610153. The reversal of 121426610111 is 111016624121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121426610111 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 (121426610191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2209610 + ... + 2263896.

It is an arithmetic number, because the mean of its divisors is an integer number (15214537728).

Almost surely, 2^121426610111 is an apocalyptic number.

121426610111 is a deficient number, since it is larger than the sum of its proper divisors (289691713).

121426610111 is an equidigital number, since it uses as much as digits as its factorization.

121426610111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59581.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 121426610111 in words is "one hundred twenty-one billion, four hundred twenty-six million, six hundred ten thousand, one hundred eleven".