121030010311 has 32 divisors (see below), whose sum is σ = 147083489280. Its totient is φ = 97396473600.

The previous prime is 121030010261. The next prime is 121030010351. The reversal of 121030010311 is 113010030121.

It is a cyclic number.

It is not a de Polignac number, because 121030010311 - 2¹⁹ = 121029486023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 121030010291 and 121030010300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121030010351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1554565 + ... + 1630561.

It is an arithmetic number, because the mean of its divisors is an integer number (4596359040).

Almost surely, 2^121030010311 is an apocalyptic number.

121030010311 is a deficient number, since it is larger than the sum of its proper divisors (26053478969).

121030010311 is a wasteful number, since it uses less digits than its factorization.

121030010311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76255.

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 121030010311 its reverse (113010030121), we get a palindrome (234040040432).

The spelling of 121030010311 in words is "one hundred twenty-one billion, thirty million, ten thousand, three hundred eleven".