2221013111312 has 20 divisors (see below), whose sum is σ = 4303272953856. Its totient is φ = 1110491058720.

The previous prime is 2221013111287. The next prime is 2221013111363. The reversal of 2221013111312 is 2131113101222.

It is a super-2 number, since 2×2221013111312² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261137 + ... + 2123727.

Almost surely, 2^{2221013111312} is an apocalyptic number.

It is an amenable number.

2221013111312 is a deficient number, since it is larger than the sum of its proper divisors (2082259842544).

2221013111312 is a wasteful number, since it uses less digits than its factorization.

2221013111312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1937126 (or 1937120 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2221013111312 its reverse (2131113101222), we get a palindrome (4352126212534).

The spelling of 2221013111312 in words is "two trillion, two hundred twenty-one billion, thirteen million, one hundred eleven thousand, three hundred twelve".