240121202121042 has 24 divisors (see below), whose sum is σ = 527869750118928. Its totient is φ = 72764000642520.

The previous prime is 240121202121029. The next prime is 240121202121043.

240121202121042 is nontrivially palindromic in base 10.

240121202121042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (240121202121043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165372728008 + ... + 165372729459.

It is an arithmetic number, because the mean of its divisors is an integer number (21994572921622).

Almost surely, 2^{240121202121042} is an apocalyptic number.

240121202121042 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

240121202121042 is an abundant number, since it is smaller than the sum of its proper divisors (287748547997886).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240121202121042 is a wasteful number, since it uses less digits than its factorization.

240121202121042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330745457494 (or 330745457483 counting only the distinct ones).

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

It can be divided in two parts, 24012120 and 2121042, that added together give a palindrome (26133162).

The spelling of 240121202121042 in words is "two hundred forty trillion, one hundred twenty-one billion, two hundred two million, one hundred twenty-one thousand, forty-two".