11101340121031 has 2 divisors, whose sum is σ = 11101340121032. Its totient is φ = 11101340121030.

The previous prime is 11101340121017. The next prime is 11101340121041. The reversal of 11101340121031 is 13012104310111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11101340121031 - 2²¹ = 11101338023879 is a prime.

It is a super-2 number, since 2×11101340121031² (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 (11101340121041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550670060515 + 5550670060516.

It is an arithmetic number, because the mean of its divisors is an integer number (5550670060516).

Almost surely, 2^{11101340121031} is an apocalyptic number.

11101340121031 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101340121031 is an equidigital number, since it uses as much as digits as its factorization.

11101340121031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 11101340121031 its reverse (13012104310111), we get a palindrome (24113444431142).

The spelling of 11101340121031 in words is "eleven trillion, one hundred one billion, three hundred forty million, one hundred twenty-one thousand, thirty-one".