11100100201231 has 2 divisors, whose sum is σ = 11100100201232. Its totient is φ = 11100100201230.

The previous prime is 11100100201193. The next prime is 11100100201367. The reversal of 11100100201231 is 13210200100111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11100100201231 - 2¹⁷ = 11100100070159 is a prime.

It is a super-2 number, since 2×11100100201231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100100201031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550050100615 + 5550050100616.

It is an arithmetic number, because the mean of its divisors is an integer number (5550050100616).

Almost surely, 2^{11100100201231} is an apocalyptic number.

11100100201231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100100201231 is an equidigital number, since it uses as much as digits as its factorization.

11100100201231 is an evil number, because the sum of its binary digits is even.

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

Adding to 11100100201231 its reverse (13210200100111), we get a palindrome (24310300301342).

The spelling of 11100100201231 in words is "eleven trillion, one hundred billion, one hundred million, two hundred one thousand, two hundred thirty-one".