121400244331 has 8 divisors (see below), whose sum is σ = 128691091440. Its totient is φ = 114126025728.

The previous prime is 121400244319. The next prime is 121400244337. The reversal of 121400244331 is 133442004121.

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 121400244331 - 2¹¹ = 121400242283 is a prime.

It is a super-2 number, since 2×121400244331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121400244296 and 121400244305.

It is not an unprimeable number, because it can be changed into a prime (121400244337) 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, 4142086 + ... + 4171291.

It is an arithmetic number, because the mean of its divisors is an integer number (16086386430).

Almost surely, 2^121400244331 is an apocalyptic number.

121400244331 is a deficient number, since it is larger than the sum of its proper divisors (7290847109).

121400244331 is an equidigital number, since it uses as much as digits as its factorization.

121400244331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8314253.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 121400244331 its reverse (133442004121), we get a palindrome (254842248452).

The spelling of 121400244331 in words is "one hundred twenty-one billion, four hundred million, two hundred forty-four thousand, three hundred thirty-one".