121102112231 has 8 divisors (see below), whose sum is σ = 121666291824. Its totient is φ = 120538442880.

The previous prime is 121102112179. The next prime is 121102112293. The reversal of 121102112231 is 132211201121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121102112231 - 2⁶ = 121102112167 is a prime.

It is a super-2 number, since 2×121102112231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121102112531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352421 + ... + 605313.

It is an arithmetic number, because the mean of its divisors is an integer number (15208286478).

Almost surely, 2^121102112231 is an apocalyptic number.

121102112231 is a deficient number, since it is larger than the sum of its proper divisors (564179593).

121102112231 is a wasteful number, since it uses less digits than its factorization.

121102112231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255121.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121102112231 its reverse (132211201121), we get a palindrome (253313313352).

The spelling of 121102112231 in words is "one hundred twenty-one billion, one hundred two million, one hundred twelve thousand, two hundred thirty-one".