2112112210 has 32 divisors (see below), whose sum is σ = 4098012912. Its totient is φ = 779139840.

The previous prime is 2112112201. The next prime is 2112112213. The reversal of 2112112210 is 122112112.

It can be written as a sum of positive squares in 8 ways, for example, as 443144601 + 1668967609 = 21051^2 + 40853^2 .

It is a super-2 number, since 2×2112112210² = 8922035975262168200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (2112112213) 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, 146652 + ... + 160408.

Almost surely, 2^2112112210 is an apocalyptic number.

2112112210 is a deficient number, since it is larger than the sum of its proper divisors (1985900702).

2112112210 is a wasteful number, since it uses less digits than its factorization.

2112112210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14958.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2112112210 is about 45957.7219844500. The cubic root of 2112112210 is about 1283.0364536557.

Adding to 2112112210 its reverse (122112112), we get a palindrome (2234224322).

The spelling of 2112112210 in words is "two billion, one hundred twelve million, one hundred twelve thousand, two hundred ten".