121330010311 has 4 divisors (see below), whose sum is σ = 125513803800. Its totient is φ = 117146216824.

The previous prime is 121330010309. The next prime is 121330010341. The reversal of 121330010311 is 113010033121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 121330010311 - 2¹ = 121330010309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121330010341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2091896701 + ... + 2091896758.

It is an arithmetic number, because the mean of its divisors is an integer number (31378450950).

Almost surely, 2^121330010311 is an apocalyptic number.

121330010311 is a deficient number, since it is larger than the sum of its proper divisors (4183793489).

121330010311 is an equidigital number, since it uses as much as digits as its factorization.

121330010311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4183793488.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 121330010311 its reverse (113010033121), we get a palindrome (234340043432).

The spelling of 121330010311 in words is "one hundred twenty-one billion, three hundred thirty million, ten thousand, three hundred eleven".