121440044121 has 8 divisors (see below), whose sum is σ = 176640064224. Its totient is φ = 73600026720.

The previous prime is 121440044027. The next prime is 121440044123.

121440044121 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 121440044121 - 2¹⁸ = 121439781977 is a prime.

It is a super-2 number, since 2×121440044121² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 121440044091 and 121440044100.

It is not an unprimeable number, because it can be changed into a prime (121440044123) 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, 1840000636 + ... + 1840000701.

It is an arithmetic number, because the mean of its divisors is an integer number (22080008028).

Almost surely, 2^121440044121 is an apocalyptic number.

121440044121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

121440044121 is a deficient number, since it is larger than the sum of its proper divisors (55200020103).

121440044121 is a wasteful number, since it uses less digits than its factorization.

121440044121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3680001351.

The product of its (nonzero) digits is 1024, while the sum is 24.

It can be divided in two parts, 1214400 and 44121, that added together give a palindrome (1258521).

The spelling of 121440044121 in words is "one hundred twenty-one billion, four hundred forty million, forty-four thousand, one hundred twenty-one".