100023111211 has 2 divisors, whose sum is σ = 100023111212. Its totient is φ = 100023111210.

The previous prime is 100023111179. The next prime is 100023111233. The reversal of 100023111211 is 112111320001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 100023111211 - 2⁵ = 100023111179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100023111191 and 100023111200.

It is not a weakly prime, because it can be changed into another prime (100023111911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50011555605 + 50011555606.

It is an arithmetic number, because the mean of its divisors is an integer number (50011555606).

Almost surely, 2^100023111211 is an apocalyptic number.

100023111211 is a deficient number, since it is larger than the sum of its proper divisors (1).

100023111211 is an equidigital number, since it uses as much as digits as its factorization.

100023111211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 100023111211 its reverse (112111320001), we get a palindrome (212134431212).

It can be divided in two parts, 10002 and 3111211, that added together give a palindrome (3121213).

The spelling of 100023111211 in words is "one hundred billion, twenty-three million, one hundred eleven thousand, two hundred eleven".