11100501001 has 2 divisors, whose sum is σ = 11100501002. Its totient is φ = 11100501000.

The previous prime is 11100500993. The next prime is 11100501023. The reversal of 11100501001 is 10010500111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9753537600 + 1346963401 = 98760^2 + 36701^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100501001 - 2³ = 11100500993 is a prime.

It is a super-2 number, since 2×11100501001² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11100501701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550250500 + 5550250501.

It is an arithmetic number, because the mean of its divisors is an integer number (5550250501).

Almost surely, 2^11100501001 is an apocalyptic number.

It is an amenable number.

11100501001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100501001 is an equidigital number, since it uses as much as digits as its factorization.

11100501001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5, while the sum is 10.

The spelling of 11100501001 in words is "eleven billion, one hundred million, five hundred one thousand, one".