2210112021 has 16 divisors (see below), whose sum is σ = 3311473536. Its totient is φ = 1300934976.

The previous prime is 2210112017. The next prime is 2210112043. The reversal of 2210112021 is 1202110122.

It is not a de Polignac number, because 2210112021 - 2² = 2210112017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2210111988 and 2210112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210112061) 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, 1231050 + ... + 1232843.

It is an arithmetic number, because the mean of its divisors is an integer number (206967096).

Almost surely, 2^2210112021 is an apocalyptic number.

It is an amenable number.

2210112021 is a deficient number, since it is larger than the sum of its proper divisors (1101361515).

2210112021 is a wasteful number, since it uses less digits than its factorization.

2210112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2463932.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2210112021 is about 47011.8285221922. The cubic root of 2210112021 is about 1302.5810694908.

Adding to 2210112021 its reverse (1202110122), we get a palindrome (3412222143).

The spelling of 2210112021 in words is "two billion, two hundred ten million, one hundred twelve thousand, twenty-one".