11100100219001 has 2 divisors, whose sum is σ = 11100100219002. Its totient is φ = 11100100219000.

The previous prime is 11100100218979. The next prime is 11100100219141. The reversal of 11100100219001 is 10091200100111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9478399847401 + 1621700371600 = 3078701^2 + 1273460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11100100219001 is a prime.

It is a super-2 number, since 2×11100100219001² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11100100279001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550050109500 + 5550050109501.

It is an arithmetic number, because the mean of its divisors is an integer number (5550050109501).

Almost surely, 2^{11100100219001} is an apocalyptic number.

It is an amenable number.

11100100219001 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100100219001 is an equidigital number, since it uses as much as digits as its factorization.

11100100219001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 17.

Adding to 11100100219001 its reverse (10091200100111), we get a palindrome (21191300319112).

The spelling of 11100100219001 in words is "eleven trillion, one hundred billion, one hundred million, two hundred nineteen thousand, one".