230121030111 has 64 divisors (see below), whose sum is σ = 373040640000. Its totient is φ = 123179798016.

The previous prime is 230121030053. The next prime is 230121030119. The reversal of 230121030111 is 111030121032.

It is a happy number.

It is not a de Polignac number, because 230121030111 - 2¹¹ = 230121028063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230121030119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74640376 + ... + 74643458.

It is an arithmetic number, because the mean of its divisors is an integer number (5828760000).

Almost surely, 2^230121030111 is an apocalyptic number.

230121030111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

230121030111 is a deficient number, since it is larger than the sum of its proper divisors (142919609889).

230121030111 is a wasteful number, since it uses less digits than its factorization.

230121030111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4028.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 230121030111 its reverse (111030121032), we get a palindrome (341151151143).

The spelling of 230121030111 in words is "two hundred thirty billion, one hundred twenty-one million, thirty thousand, one hundred eleven".