2112221021210 has 32 divisors (see below), whose sum is σ = 3826427046912. Its totient is φ = 839476690560.

The previous prime is 2112221021191. The next prime is 2112221021221. The reversal of 2112221021210 is 121201222112.

It is a super-2 number, since 2×2112221021210² (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 15 ways as a sum of consecutive naturals, for example, 67307 + ... + 2056446.

It is an arithmetic number, because the mean of its divisors is an integer number (119575845216).

Almost surely, 2^{2112221021210} is an apocalyptic number.

2112221021210 is a deficient number, since it is larger than the sum of its proper divisors (1714206025702).

2112221021210 is a wasteful number, since it uses less digits than its factorization.

2112221021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2124398.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2112221021210 its reverse (121201222112), we get a palindrome (2233422243322).

The spelling of 2112221021210 in words is "two trillion, one hundred twelve billion, two hundred twenty-one million, twenty-one thousand, two hundred ten".