2331221332402 has 16 divisors (see below), whose sum is σ = 3609672205824. Its totient is φ = 1127998080000.

The previous prime is 2331221332379. The next prime is 2331221332403. The reversal of 2331221332402 is 2042331221332.

It is not an unprimeable number, because it can be changed into a prime (2331221332403) 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, 8580402 + ... + 8847922.

It is an arithmetic number, because the mean of its divisors is an integer number (225604512864).

Almost surely, 2^{2331221332402} is an apocalyptic number.

2331221332402 is a deficient number, since it is larger than the sum of its proper divisors (1278450873422).

2331221332402 is a wasteful number, since it uses less digits than its factorization.

2331221332402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408105.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 2331221332402 its reverse (2042331221332), we get a palindrome (4373552553734).

The spelling of 2331221332402 in words is "two trillion, three hundred thirty-one billion, two hundred twenty-one million, three hundred thirty-two thousand, four hundred two".