2101112221210 has 32 divisors (see below), whose sum is σ = 3946621449600. Its totient is φ = 803866206528.

The previous prime is 2101112221207. The next prime is 2101112221217. The reversal of 2101112221210 is 121222111012.

It is a super-2 number, since 2×2101112221210² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2101112221217) 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, 4989441 + ... + 5394139.

It is an arithmetic number, because the mean of its divisors is an integer number (123331920300).

Almost surely, 2^{2101112221210} is an apocalyptic number.

2101112221210 is a deficient number, since it is larger than the sum of its proper divisors (1845509228390).

2101112221210 is a wasteful number, since it uses less digits than its factorization.

2101112221210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427302.

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

Adding to 2101112221210 its reverse (121222111012), we get a palindrome (2222334332222).

The spelling of 2101112221210 in words is "two trillion, one hundred one billion, one hundred twelve million, two hundred twenty-one thousand, two hundred ten".