121123310101311 has 8 divisors (see below), whose sum is σ = 184568853487744. Its totient is φ = 69213320057880.

The previous prime is 121123310101303. The next prime is 121123310101337. The reversal of 121123310101311 is 113101013321121.

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

It is not a de Polignac number, because 121123310101311 - 2³ = 121123310101303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 5767776671491 = 121123310101311 / (1 + 2 + 1 + 1 + 2 + 3 + 3 + 1 + 0 + 1 + 0 + 1 + 3 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121123310601311) 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, 2883888335725 + ... + 2883888335766.

It is an arithmetic number, because the mean of its divisors is an integer number (23071106685968).

Almost surely, 2^{121123310101311} is an apocalyptic number.

121123310101311 is a deficient number, since it is larger than the sum of its proper divisors (63445543386433).

121123310101311 is an equidigital number, since it uses as much as digits as its factorization.

121123310101311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5767776671501.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 121123310101311 its reverse (113101013321121), we get a palindrome (234224323422432).

The spelling of 121123310101311 in words is "one hundred twenty-one trillion, one hundred twenty-three billion, three hundred ten million, one hundred one thousand, three hundred eleven".