121303032011 has 4 divisors (see below), whose sum is σ = 138632036592. Its totient is φ = 103974027432.

The previous prime is 121303031981. The next prime is 121303032029. The reversal of 121303032011 is 110230303121.

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 121303032011 - 2³⁰ = 120229290187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121303032511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8664502280 + ... + 8664502293.

It is an arithmetic number, because the mean of its divisors is an integer number (34658009148).

Almost surely, 2^121303032011 is an apocalyptic number.

121303032011 is a deficient number, since it is larger than the sum of its proper divisors (17329004581).

121303032011 is an equidigital number, since it uses as much as digits as its factorization.

121303032011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17329004580.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 121303032011 its reverse (110230303121), we get a palindrome (231533335132).

The spelling of 121303032011 in words is "one hundred twenty-one billion, three hundred three million, thirty-two thousand, eleven".