121030330311 has 12 divisors (see below), whose sum is σ = 190714460040. Its totient is φ = 73351715280.

The previous prime is 121030330307. The next prime is 121030330387. The reversal of 121030330311 is 113033030121.

It is a happy number.

121030330311 is a `hidden beast` number, since 1 + 21 + 0 + 3 + 0 + 330 + 311 = 666.

It is not a de Polignac number, because 121030330311 - 2² = 121030330307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121030330511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 611264196 + ... + 611264393.

It is an arithmetic number, because the mean of its divisors is an integer number (15892871670).

Almost surely, 2^121030330311 is an apocalyptic number.

121030330311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121030330311 is a deficient number, since it is larger than the sum of its proper divisors (69684129729).

121030330311 is a wasteful number, since it uses less digits than its factorization.

121030330311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222528606 (or 1222528603 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 121030330311 its reverse (113033030121), we get a palindrome (234063360432).

The spelling of 121030330311 in words is "one hundred twenty-one billion, thirty million, three hundred thirty thousand, three hundred eleven".