121010232303111 has 16 divisors (see below), whose sum is σ = 168424225267808. Its totient is φ = 77206351132800.

The previous prime is 121010232303073. The next prime is 121010232303143. The reversal of 121010232303111 is 111303232010121.

It is not a de Polignac number, because 121010232303111 - 2¹⁰ = 121010232302087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121010232303211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8935913500 + ... + 8935927041.

It is an arithmetic number, because the mean of its divisors is an integer number (10526514079238).

Almost surely, 2^{121010232303111} is an apocalyptic number.

121010232303111 is a deficient number, since it is larger than the sum of its proper divisors (47413992964697).

121010232303111 is a wasteful number, since it uses less digits than its factorization.

121010232303111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17871840642.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 121010232303111 its reverse (111303232010121), we get a palindrome (232313464313232).

The spelling of 121010232303111 in words is "one hundred twenty-one trillion, ten billion, two hundred thirty-two million, three hundred three thousand, one hundred eleven".