10011123220391 has 2 divisors, whose sum is σ = 10011123220392. Its totient is φ = 10011123220390.

The previous prime is 10011123220201. The next prime is 10011123220393. The reversal of 10011123220391 is 19302232111001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10011123220391 - 2¹⁴ = 10011123204007 is a prime.

Together with 10011123220393, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10011123220391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10011123220393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005561610195 + 5005561610196.

It is an arithmetic number, because the mean of its divisors is an integer number (5005561610196).

Almost surely, 2^{10011123220391} is an apocalyptic number.

10011123220391 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011123220391 is an equidigital number, since it uses as much as digits as its factorization.

10011123220391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

Adding to 10011123220391 its reverse (19302232111001), we get a palindrome (29313355331392).

The spelling of 10011123220391 in words is "ten trillion, eleven billion, one hundred twenty-three million, two hundred twenty thousand, three hundred ninety-one".