11011000201231 has 2 divisors, whose sum is σ = 11011000201232. Its totient is φ = 11011000201230.

The previous prime is 11011000201199. The next prime is 11011000201283. The reversal of 11011000201231 is 13210200011011.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11011000201231 - 2⁵ = 11011000201199 is a prime.

It is a super-2 number, since 2×11011000201231² (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 (11011000271231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505500100615 + 5505500100616.

It is an arithmetic number, because the mean of its divisors is an integer number (5505500100616).

Almost surely, 2^{11011000201231} is an apocalyptic number.

11011000201231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011000201231 is an equidigital number, since it uses as much as digits as its factorization.

11011000201231 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 11011000201231 its reverse (13210200011011), we get a palindrome (24221200212242).

The spelling of 11011000201231 in words is "eleven trillion, eleven billion, two hundred one thousand, two hundred thirty-one".