121440044122 has 32 divisors (see below), whose sum is σ = 187176384000. Its totient is φ = 59064432768.

The previous prime is 121440044027. The next prime is 121440044123. The reversal of 121440044122 is 221440044121.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 19993678 + ... + 19999750.

It is an arithmetic number, because the mean of its divisors is an integer number (5849262000).

Almost surely, 2^121440044122 is an apocalyptic number.

121440044122 is a deficient number, since it is larger than the sum of its proper divisors (65736339878).

121440044122 is a wasteful number, since it uses less digits than its factorization.

121440044122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7390.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 121440044122 its reverse (221440044121), we get a palindrome (342880088243).

Subtracting 121440044122 from its reverse (221440044121), we obtain a palindrome (99999999999).

The spelling of 121440044122 in words is "one hundred twenty-one billion, four hundred forty million, forty-four thousand, one hundred twenty-two".