11012111212231 has 2 divisors, whose sum is σ = 11012111212232. Its totient is φ = 11012111212230.

The previous prime is 11012111212189. The next prime is 11012111212237. The reversal of 11012111212231 is 13221211121011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11012111212231 - 2¹⁵ = 11012111179463 is a prime.

It is a super-2 number, since 2×11012111212231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11012111212199 and 11012111212208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11012111212237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506055606115 + 5506055606116.

It is an arithmetic number, because the mean of its divisors is an integer number (5506055606116).

Almost surely, 2^{11012111212231} is an apocalyptic number.

11012111212231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012111212231 is an equidigital number, since it uses as much as digits as its factorization.

11012111212231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 11012111212231 its reverse (13221211121011), we get a palindrome (24233322333242).

The spelling of 11012111212231 in words is "eleven trillion, twelve billion, one hundred eleven million, two hundred twelve thousand, two hundred thirty-one".