2110221031123 has 4 divisors (see below), whose sum is σ = 2110746096360. Its totient is φ = 2109695965888.

The previous prime is 2110221031099. The next prime is 2110221031129. The reversal of 2110221031123 is 3211301220112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2110221031123 - 2²⁹ = 2109684160211 is a prime.

It is a super-2 number, since 2×2110221031123² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2110221031123.

It is not an unprimeable number, because it can be changed into a prime (2110221031129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262526590 + ... + 262534627.

It is an arithmetic number, because the mean of its divisors is an integer number (527686524090).

Almost surely, 2^{2110221031123} is an apocalyptic number.

2110221031123 is a deficient number, since it is larger than the sum of its proper divisors (525065237).

2110221031123 is an equidigital number, since it uses as much as digits as its factorization.

2110221031123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525065236.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 2110221031123 its reverse (3211301220112), we get a palindrome (5321522251235).

The spelling of 2110221031123 in words is "two trillion, one hundred ten billion, two hundred twenty-one million, thirty-one thousand, one hundred twenty-three".