11100100961 has 2 divisors, whose sum is σ = 11100100962. Its totient is φ = 11100100960.

The previous prime is 11100100937. The next prime is 11100100993. The reversal of 11100100961 is 16900100111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10887670336 + 212430625 = 104344^2 + 14575^2 .

It is an emirp because it is prime and its reverse (16900100111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11100100961 - 2⁶ = 11100100897 is a prime.

It is not a weakly prime, because it can be changed into another prime (11100100931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550050480 + 5550050481.

It is an arithmetic number, because the mean of its divisors is an integer number (5550050481).

Almost surely, 2^11100100961 is an apocalyptic number.

It is an amenable number.

11100100961 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100100961 is an equidigital number, since it uses as much as digits as its factorization.

11100100961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 20.

The spelling of 11100100961 in words is "eleven billion, one hundred million, one hundred thousand, nine hundred sixty-one".