11022019901 has 2 divisors, whose sum is σ = 11022019902. Its totient is φ = 11022019900.

The previous prime is 11022019861. The next prime is 11022019903. The reversal of 11022019901 is 10991022011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10401960100 + 620059801 = 101990^2 + 24901^2 .

It is a cyclic number.

It is not a de Polignac number, because 11022019901 - 2¹⁰ = 11022018877 is a prime.

It is a super-4 number, since 4×11022019901⁴ (a number of 41 digits) contains 4444 as substring.

Together with 11022019903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11022019903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511009950 + 5511009951.

It is an arithmetic number, because the mean of its divisors is an integer number (5511009951).

Almost surely, 2^11022019901 is an apocalyptic number.

It is an amenable number.

11022019901 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022019901 is an equidigital number, since it uses as much as digits as its factorization.

11022019901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 11022019901 in words is "eleven billion, twenty-two million, nineteen thousand, nine hundred one".