11100220022123 has 4 divisors (see below), whose sum is σ = 11100328365648. Its totient is φ = 11100111678600.

The previous prime is 11100220022083. The next prime is 11100220022137. The reversal of 11100220022123 is 32122002200111.

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 11100220022123 - 2⁸ = 11100220021867 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11100220022153) 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, 54017936 + ... + 54223037.

It is an arithmetic number, because the mean of its divisors is an integer number (2775082091412).

Almost surely, 2^{11100220022123} is an apocalyptic number.

11100220022123 is a deficient number, since it is larger than the sum of its proper divisors (108343525).

11100220022123 is a wasteful number, since it uses less digits than its factorization.

11100220022123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108343524.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11100220022123 its reverse (32122002200111), we get a palindrome (43222222222234).

The spelling of 11100220022123 in words is "eleven trillion, one hundred billion, two hundred twenty million, twenty-two thousand, one hundred twenty-three".