2221112111210 has 32 divisors (see below), whose sum is σ = 4031256442752. Its totient is φ = 881078575680.

The previous prime is 2221112111201. The next prime is 2221112111237. The reversal of 2221112111210 is 121112111222.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726494 + ... + 2229353.

It is an arithmetic number, because the mean of its divisors is an integer number (125976763836).

Almost surely, 2^{2221112111210} is an apocalyptic number.

2221112111210 is a deficient number, since it is larger than the sum of its proper divisors (1810144331542).

2221112111210 is a wasteful number, since it uses less digits than its factorization.

2221112111210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956478.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2221112111210 its reverse (121112111222), we get a palindrome (2342224222432).

The spelling of 2221112111210 in words is "two trillion, two hundred twenty-one billion, one hundred twelve million, one hundred eleven thousand, two hundred ten".