121110023303231 has 8 divisors (see below), whose sum is σ = 126463012859904. Its totient is φ = 115764311777400.

The previous prime is 121110023303209. The next prime is 121110023303261. The reversal of 121110023303231 is 132303320011121.

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 121110023303231 - 2⁶ = 121110023303167 is a prime.

It is a super-2 number, since 2×121110023303231² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121110023303197 and 121110023303206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110023303201) 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, 1819473695 + ... + 1819540256.

It is an arithmetic number, because the mean of its divisors is an integer number (15807876607488).

Almost surely, 2^{121110023303231} is an apocalyptic number.

121110023303231 is a deficient number, since it is larger than the sum of its proper divisors (5352989556673).

121110023303231 is a wasteful number, since it uses less digits than its factorization.

121110023303231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3639015421.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 121110023303231 its reverse (132303320011121), we get a palindrome (253413343314352).

The spelling of 121110023303231 in words is "one hundred twenty-one trillion, one hundred ten billion, twenty-three million, three hundred three thousand, two hundred thirty-one".