10211112091 has 2 divisors, whose sum is σ = 10211112092. Its totient is φ = 10211112090.

The previous prime is 10211112073. The next prime is 10211112097. The reversal of 10211112091 is 19021111201.

It is a strong prime.

It is an emirp because it is prime and its reverse (19021111201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10211112091 - 2⁵ = 10211112059 is a prime.

It is not a weakly prime, because it can be changed into another prime (10211112097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5105556045 + 5105556046.

It is an arithmetic number, because the mean of its divisors is an integer number (5105556046).

Almost surely, 2^10211112091 is an apocalyptic number.

10211112091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10211112091 is an equidigital number, since it uses as much as digits as its factorization.

10211112091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 10211112091 its reverse (19021111201), we get a palindrome (29232223292).

The spelling of 10211112091 in words is "ten billion, two hundred eleven million, one hundred twelve thousand, ninety-one".