10113111220291 has 2 divisors, whose sum is σ = 10113111220292. Its totient is φ = 10113111220290.

The previous prime is 10113111220279. The next prime is 10113111220319. The reversal of 10113111220291 is 19202211131101.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10113111220291 - 2⁵ = 10113111220259 is a prime.

It is not a weakly prime, because it can be changed into another prime (10113111220991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5056555610145 + 5056555610146.

It is an arithmetic number, because the mean of its divisors is an integer number (5056555610146).

Almost surely, 2^{10113111220291} is an apocalyptic number.

10113111220291 is a deficient number, since it is larger than the sum of its proper divisors (1).

10113111220291 is an equidigital number, since it uses as much as digits as its factorization.

10113111220291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 25.

Adding to 10113111220291 its reverse (19202211131101), we get a palindrome (29315322351392).

The spelling of 10113111220291 in words is "ten trillion, one hundred thirteen billion, one hundred eleven million, two hundred twenty thousand, two hundred ninety-one".