11101222219979 has 2 divisors, whose sum is σ = 11101222219980. Its totient is φ = 11101222219978.

The previous prime is 11101222219921. The next prime is 11101222220021. The reversal of 11101222219979 is 97991222210111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11101222219979 - 2⁸ = 11101222219723 is a prime.

It is not a weakly prime, because it can be changed into another prime (11101222219079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550611109989 + 5550611109990.

It is an arithmetic number, because the mean of its divisors is an integer number (5550611109990).

Almost surely, 2^{11101222219979} is an apocalyptic number.

11101222219979 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101222219979 is an equidigital number, since it uses as much as digits as its factorization.

11101222219979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 47.

The spelling of 11101222219979 in words is "eleven trillion, one hundred one billion, two hundred twenty-two million, two hundred nineteen thousand, nine hundred seventy-nine".