2202112021123 has 4 divisors (see below), whose sum is σ = 2516699452720. Its totient is φ = 1887524589528.

The previous prime is 2202112021117. The next prime is 2202112021147. The reversal of 2202112021123 is 3211202112022.

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 2202112021123 - 2¹³ = 2202112012931 is a prime.

It is a super-2 number, since 2×2202112021123² (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 2202112021123.

It is not an unprimeable number, because it can be changed into a prime (2202112021163) 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, 157293715788 + ... + 157293715801.

It is an arithmetic number, because the mean of its divisors is an integer number (629174863180).

Almost surely, 2^{2202112021123} is an apocalyptic number.

2202112021123 is a deficient number, since it is larger than the sum of its proper divisors (314587431597).

2202112021123 is an equidigital number, since it uses as much as digits as its factorization.

2202112021123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314587431596.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 2202112021123 its reverse (3211202112022), we get a palindrome (5413314133145).

The spelling of 2202112021123 in words is "two trillion, two hundred two billion, one hundred twelve million, twenty-one thousand, one hundred twenty-three".