2112210023223 has 32 divisors (see below), whose sum is σ = 3078544435200. Its totient is φ = 1284009382656.

The previous prime is 2112210023221. The next prime is 2112210023251. The reversal of 2112210023223 is 3223200122112.

It is not a de Polignac number, because 2112210023223 - 2¹ = 2112210023221 is a prime.

It is a super-2 number, since 2×2112210023223² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112210023223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112210023221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6522790 + ... + 6838947.

It is an arithmetic number, because the mean of its divisors is an integer number (96204513600).

Almost surely, 2^{2112210023223} is an apocalyptic number.

2112210023223 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2112210023223 is a deficient number, since it is larger than the sum of its proper divisors (966334411977).

2112210023223 is a wasteful number, since it uses less digits than its factorization.

2112210023223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13361871.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 2112210023223 its reverse (3223200122112), we get a palindrome (5335410145335).

The spelling of 2112210023223 in words is "two trillion, one hundred twelve billion, two hundred ten million, twenty-three thousand, two hundred twenty-three".