2220121231330 has 32 divisors (see below), whose sum is σ = 4129640273088. Its totient is φ = 858808104000.

The previous prime is 2220121231297. The next prime is 2220121231337. The reversal of 2220121231330 is 331321210222.

It is not an unprimeable number, because it can be changed into a prime (2220121231337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25516336 + ... + 25603195.

It is an arithmetic number, because the mean of its divisors is an integer number (129051258534).

Almost surely, 2^{2220121231330} is an apocalyptic number.

2220121231330 is a deficient number, since it is larger than the sum of its proper divisors (1909519041758).

2220121231330 is a wasteful number, since it uses less digits than its factorization.

2220121231330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51119682.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2220121231330 its reverse (331321210222), we get a palindrome (2551442441552).

The spelling of 2220121231330 in words is "two trillion, two hundred twenty billion, one hundred twenty-one million, two hundred thirty-one thousand, three hundred thirty".