2112021112210 has 8 divisors (see below), whose sum is σ = 3801638001996. Its totient is φ = 844808444880.

The previous prime is 2112021112121. The next prime is 2112021112231. The reversal of 2112021112210 is 122111202112.

It can be written as a sum of positive squares in 2 ways, for example, as 1964687198929 + 147333913281 = 1401673^2 + 383841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2112021112210² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105601055601 + ... + 105601055620.

Almost surely, 2^{2112021112210} is an apocalyptic number.

2112021112210 is a deficient number, since it is larger than the sum of its proper divisors (1689616889786).

2112021112210 is a wasteful number, since it uses less digits than its factorization.

2112021112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211202111228.

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

Adding to 2112021112210 its reverse (122111202112), we get a palindrome (2234132314322).

The spelling of 2112021112210 in words is "two trillion, one hundred twelve billion, twenty-one million, one hundred twelve thousand, two hundred ten".