2219101001 has 16 divisors (see below), whose sum is σ = 2534417424. Its totient is φ = 1924829184.

The previous prime is 2219100941. The next prime is 2219101007. The reversal of 2219101001 is 1001019122.

It can be written as a sum of positive squares in 8 ways, for example, as 84198976 + 2134902025 = 9176^2 + 46205^2 .

It is a cyclic number.

It is not a de Polignac number, because 2219101001 - 2¹⁰ = 2219099977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2219101007) 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, 136625 + ... + 152001.

It is an arithmetic number, because the mean of its divisors is an integer number (158401089).

Almost surely, 2^2219101001 is an apocalyptic number.

It is an amenable number.

2219101001 is a deficient number, since it is larger than the sum of its proper divisors (315316423).

2219101001 is a wasteful number, since it uses less digits than its factorization.

2219101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16060.

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

The square root of 2219101001 is about 47107.3348959586. The cubic root of 2219101001 is about 1304.3446357276.

The spelling of 2219101001 in words is "two billion, two hundred nineteen million, one hundred one thousand, one".