121110441242 has 48 divisors (see below), whose sum is σ = 215721260640. Its totient is φ = 50833756512.

The previous prime is 121110441233. The next prime is 121110441247. The reversal of 121110441242 is 242144011121.

It is not an unprimeable number, because it can be changed into a prime (121110441247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1082609 + ... + 1189227.

It is an arithmetic number, because the mean of its divisors is an integer number (4494192930).

Almost surely, 2^121110441242 is an apocalyptic number.

121110441242 is a deficient number, since it is larger than the sum of its proper divisors (94610819398).

121110441242 is a wasteful number, since it uses less digits than its factorization.

121110441242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106875 (or 106868 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 121110441242 its reverse (242144011121), we get a palindrome (363254452363).

The spelling of 121110441242 in words is "one hundred twenty-one billion, one hundred ten million, four hundred forty-one thousand, two hundred forty-two".