121030110231 has 16 divisors (see below), whose sum is σ = 164281932000. Its totient is φ = 79244684288.

The previous prime is 121030110191. The next prime is 121030110287. The reversal of 121030110231 is 132011030121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121030110231 - 2⁶ = 121030110167 is a prime.

It is a super-2 number, since 2×121030110231² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121030110231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121030110631) 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, 1481346 + ... + 1560911.

It is an arithmetic number, because the mean of its divisors is an integer number (10267620750).

Almost surely, 2^121030110231 is an apocalyptic number.

121030110231 is a deficient number, since it is larger than the sum of its proper divisors (43251821769).

121030110231 is a wasteful number, since it uses less digits than its factorization.

121030110231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042498.

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

Adding to 121030110231 its reverse (132011030121), we get a palindrome (253041140352).

The spelling of 121030110231 in words is "one hundred twenty-one billion, thirty million, one hundred ten thousand, two hundred thirty-one".