121140444230 has 32 divisors (see below), whose sum is σ = 235006640064. Its totient is φ = 44694389376.

The previous prime is 121140444209. The next prime is 121140444247. The reversal of 121140444230 is 32444041121.

It is a super-3 number, since 3×121140444230³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 121140444230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188189 + ... + 526968.

It is an arithmetic number, because the mean of its divisors is an integer number (7343957502).

Almost surely, 2^121140444230 is an apocalyptic number.

121140444230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121140444230 is a deficient number, since it is larger than the sum of its proper divisors (113866195834).

121140444230 is a wasteful number, since it uses less digits than its factorization.

121140444230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716480.

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 121140444230 its reverse (32444041121), we get a palindrome (153584485351).

The spelling of 121140444230 in words is "one hundred twenty-one billion, one hundred forty million, four hundred forty-four thousand, two hundred thirty".