2221100111010 has 64 divisors (see below), whose sum is σ = 5972412714624. Its totient is φ = 523895846400.

The previous prime is 2221100110991. The next prime is 2221100111023. The reversal of 2221100111010 is 101110011222.

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, 90941931 + ... + 90966350.

It is an arithmetic number, because the mean of its divisors is an integer number (93318948666).

Almost surely, 2^{2221100111010} is an apocalyptic number.

2221100111010 is an abundant number, since it is smaller than the sum of its proper divisors (3751312603614).

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

2221100111010 is a wasteful number, since it uses less digits than its factorization.

2221100111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181908339.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 2221100111010 its reverse (101110011222), we get a palindrome (2322210122232).

The spelling of 2221100111010 in words is "two trillion, two hundred twenty-one billion, one hundred million, one hundred eleven thousand, ten".