111122200022123 has 4 divisors (see below), whose sum is σ = 111123202471008. Its totient is φ = 111121197573240.

The previous prime is 111122200022081. The next prime is 111122200022201. The reversal of 111122200022123 is 321220002221111.

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 111122200022123 - 2⁸ = 111122200021867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111122200022095 and 111122200022104.

It is not an unprimeable number, because it can be changed into a prime (111122200322123) 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, 501058148 + ... + 501279873.

It is an arithmetic number, because the mean of its divisors is an integer number (27780800617752).

Almost surely, 2^{111122200022123} is an apocalyptic number.

111122200022123 is a deficient number, since it is larger than the sum of its proper divisors (1002448885).

111122200022123 is a wasteful number, since it uses less digits than its factorization.

111122200022123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002448884.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111122200022123 its reverse (321220002221111), we get a palindrome (432342202243234).

The spelling of 111122200022123 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred million, twenty-two thousand, one hundred twenty-three".