1100122222123 has 4 divisors (see below), whose sum is σ = 1102994604288. Its totient is φ = 1097249839960.

The previous prime is 1100122222117. The next prime is 1100122222163. The reversal of 1100122222123 is 3212222210011.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100122222123 is a prime.

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 1100122222123.

It is not an unprimeable number, because it can be changed into a prime (1100122222163) 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, 1436190508 + ... + 1436191273.

It is an arithmetic number, because the mean of its divisors is an integer number (275748651072).

Almost surely, 2^{1100122222123} is an apocalyptic number.

1100122222123 is a deficient number, since it is larger than the sum of its proper divisors (2872382165).

1100122222123 is an equidigital number, since it uses as much as digits as its factorization.

1100122222123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872382164.

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

Adding to 1100122222123 its reverse (3212222210011), we get a palindrome (4312344432134).

The spelling of 1100122222123 in words is "one trillion, one hundred billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty-three".