11201020019 has 16 divisors (see below), whose sum is σ = 13098417600. Its totient is φ = 9380050560.

The previous prime is 11201020007. The next prime is 11201020043. The reversal of 11201020019 is 91002010211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11201020019 is a prime.

It is a super-2 number, since 2×11201020019² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11201019979 and 11201020006.

It is not an unprimeable number, because it can be changed into a prime (11201020069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24404 + ... + 151649.

It is an arithmetic number, because the mean of its divisors is an integer number (818651100).

Almost surely, 2^11201020019 is an apocalyptic number.

11201020019 is a deficient number, since it is larger than the sum of its proper divisors (1897397581).

11201020019 is a wasteful number, since it uses less digits than its factorization.

11201020019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176270.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 11201020019 in words is "eleven billion, two hundred one million, twenty thousand, nineteen".