2221131102112 has 48 divisors (see below), whose sum is σ = 4713419501280. Its totient is φ = 1024224360192.

The previous prime is 2221131102101. The next prime is 2221131102137. The reversal of 2221131102112 is 2112011311222.

It is a self number, because there is not a number n which added to its sum of digits gives 2221131102112.

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, 1910062 + ... + 2844397.

It is an arithmetic number, because the mean of its divisors is an integer number (98196239610).

Almost surely, 2^{2221131102112} is an apocalyptic number.

It is an amenable number.

2221131102112 is an abundant number, since it is smaller than the sum of its proper divisors (2492288399168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221131102112 is a wasteful number, since it uses less digits than its factorization.

2221131102112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755605 (or 4755597 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2221131102112 its reverse (2112011311222), we get a palindrome (4333142413334).

The spelling of 2221131102112 in words is "two trillion, two hundred twenty-one billion, one hundred thirty-one million, one hundred two thousand, one hundred twelve".