11121001100123 has 16 divisors (see below), whose sum is σ = 11405521712640. Its totient is φ = 10837662875424.

The previous prime is 11121001100119. The next prime is 11121001100171. The reversal of 11121001100123 is 32100110012111.

It is a cyclic number.

It is not a de Polignac number, because 11121001100123 - 2² = 11121001100119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11121001100098 and 11121001100107.

It is not an unprimeable number, because it can be changed into a prime (11121001100173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205692668 + ... + 205746726.

It is an arithmetic number, because the mean of its divisors is an integer number (712845107040).

Almost surely, 2^{11121001100123} is an apocalyptic number.

11121001100123 is a deficient number, since it is larger than the sum of its proper divisors (284520612517).

11121001100123 is a wasteful number, since it uses less digits than its factorization.

11121001100123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64898.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11121001100123 its reverse (32100110012111), we get a palindrome (43221111112234).

The spelling of 11121001100123 in words is "eleven trillion, one hundred twenty-one billion, one million, one hundred thousand, one hundred twenty-three".