2221101212110 has 32 divisors (see below), whose sum is σ = 4404617655264. Its totient is φ = 799676400000.

The previous prime is 2221101212069. The next prime is 2221101212111. The reversal of 2221101212110 is 112121011222.

It is a super-2 number, since 2×2221101212110² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221101212111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99948441 + ... + 99970660.

It is an arithmetic number, because the mean of its divisors is an integer number (137644301727).

Almost surely, 2^{2221101212110} is an apocalyptic number.

2221101212110 is a deficient number, since it is larger than the sum of its proper divisors (2183516443154).

2221101212110 is a wasteful number, since it uses less digits than its factorization.

2221101212110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199919220.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2221101212110 its reverse (112121011222), we get a palindrome (2333222223332).

The spelling of 2221101212110 in words is "two trillion, two hundred twenty-one billion, one hundred one million, two hundred twelve thousand, one hundred ten".