11101000120031 has 2 divisors, whose sum is σ = 11101000120032. Its totient is φ = 11101000120030.

The previous prime is 11101000119997. The next prime is 11101000120039. The reversal of 11101000120031 is 13002100010111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11101000120031 - 2¹⁸ = 11100999857887 is a prime.

It is a super-2 number, since 2×11101000120031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11101000119994 and 11101000120021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101000120039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550500060015 + 5550500060016.

It is an arithmetic number, because the mean of its divisors is an integer number (5550500060016).

Almost surely, 2^{11101000120031} is an apocalyptic number.

11101000120031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101000120031 is an equidigital number, since it uses as much as digits as its factorization.

11101000120031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 11101000120031 its reverse (13002100010111), we get a palindrome (24103100130142).

The spelling of 11101000120031 in words is "eleven trillion, one hundred one billion, one hundred twenty thousand, thirty-one".