11101002120031 has 2 divisors, whose sum is σ = 11101002120032. Its totient is φ = 11101002120030.

The previous prime is 11101002120007. The next prime is 11101002120067. The reversal of 11101002120031 is 13002120010111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11101002120031 - 2⁷ = 11101002119903 is a prime.

It is a super-2 number, since 2×11101002120031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11101002119993 and 11101002120020.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101002120071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550501060015 + 5550501060016.

It is an arithmetic number, because the mean of its divisors is an integer number (5550501060016).

Almost surely, 2^{11101002120031} is an apocalyptic number.

11101002120031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101002120031 is an equidigital number, since it uses as much as digits as its factorization.

11101002120031 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 11101002120031 its reverse (13002120010111), we get a palindrome (24103122130142).

The spelling of 11101002120031 in words is "eleven trillion, one hundred one billion, two million, one hundred twenty thousand, thirty-one".