2201012001 has 8 divisors (see below), whose sum is σ = 3260758560. Its totient is φ = 1467341316.

The previous prime is 2201011987. The next prime is 2201012017. The reversal of 2201012001 is 1002101022.

It is not a de Polignac number, because 2201012001 - 2¹⁴ = 2200995617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2201012501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40759455 + ... + 40759508.

It is an arithmetic number, because the mean of its divisors is an integer number (407594820).

Almost surely, 2^2201012001 is an apocalyptic number.

It is an amenable number.

2201012001 is a deficient number, since it is larger than the sum of its proper divisors (1059746559).

2201012001 is an equidigital number, since it uses as much as digits as its factorization.

2201012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81518972 (or 81518966 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2201012001 is about 46914.9443248098. The cubic root of 2201012001 is about 1300.7908404997.

Adding to 2201012001 its reverse (1002101022), we get a palindrome (3203113023).

The spelling of 2201012001 in words is "two billion, two hundred one million, twelve thousand, one".