2115320212222 has 64 divisors (see below), whose sum is σ = 3806277304320. Its totient is φ = 862969082976.

The previous prime is 2115320212219. The next prime is 2115320212241. The reversal of 2115320212222 is 2222120235112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3179113 + ... + 3786475.

It is an arithmetic number, because the mean of its divisors is an integer number (59473082880).

Almost surely, 2^{2115320212222} is an apocalyptic number.

2115320212222 is a deficient number, since it is larger than the sum of its proper divisors (1690957092098).

2115320212222 is a wasteful number, since it uses less digits than its factorization.

2115320212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607565.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 2115320212222 its reverse (2222120235112), we get a palindrome (4337440447334).

The spelling of 2115320212222 in words is "two trillion, one hundred fifteen billion, three hundred twenty million, two hundred twelve thousand, two hundred twenty-two".