242121022402 has 16 divisors (see below), whose sum is σ = 433110897792. Its totient is φ = 99254580480.

The previous prime is 242121022399. The next prime is 242121022439. The reversal of 242121022402 is 204220121242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375963999 + ... + 375964642.

It is an arithmetic number, because the mean of its divisors is an integer number (27069431112).

Almost surely, 2^242121022402 is an apocalyptic number.

242121022402 is a deficient number, since it is larger than the sum of its proper divisors (190989875390).

242121022402 is a wasteful number, since it uses less digits than its factorization.

242121022402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751928673.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 242121022402 its reverse (204220121242), we get a palindrome (446341143644).

The spelling of 242121022402 in words is "two hundred forty-two billion, one hundred twenty-one million, twenty-two thousand, four hundred two".