11011112212031 has 2 divisors, whose sum is σ = 11011112212032. Its totient is φ = 11011112212030.

The previous prime is 11011112212019. The next prime is 11011112212057. The reversal of 11011112212031 is 13021221111011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11011112212031 - 2³⁴ = 10993932342847 is a prime.

It is a super-2 number, since 2×11011112212031² (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 (11011112212931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505556106015 + 5505556106016.

It is an arithmetic number, because the mean of its divisors is an integer number (5505556106016).

Almost surely, 2^{11011112212031} is an apocalyptic number.

11011112212031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011112212031 is an equidigital number, since it uses as much as digits as its factorization.

11011112212031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11011112212031 its reverse (13021221111011), we get a palindrome (24032333323042).

The spelling of 11011112212031 in words is "eleven trillion, eleven billion, one hundred twelve million, two hundred twelve thousand, thirty-one".