10001022019 has 4 divisors (see below), whose sum is σ = 10003390000. Its totient is φ = 9998654040.

The previous prime is 10001022013. The next prime is 10001022023. The reversal of 10001022019 is 91022010001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10001022019 - 2³³ = 1411087427 is a prime.

It is a super-2 number, since 2×10001022019² (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 = 10001021993 and 10001022011.

It is not an unprimeable number, because it can be changed into a prime (10001022013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1177644 + ... + 1186105.

It is an arithmetic number, because the mean of its divisors is an integer number (2500847500).

Almost surely, 2^10001022019 is an apocalyptic number.

10001022019 is a deficient number, since it is larger than the sum of its proper divisors (2367981).

10001022019 is an equidigital number, since it uses as much as digits as its factorization.

10001022019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367980.

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 10001022019 in words is "ten billion, one million, twenty-two thousand, nineteen".