2201120001 has 56 divisors (see below), whose sum is σ = 3432404736. Its totient is φ = 1409361120.

The previous prime is 2201119937. The next prime is 2201120003. The reversal of 2201120001 is 1000211022.

It is not a de Polignac number, because 2201120001 - 2⁶ = 2201119937 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 (2201120003) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 3909346 + ... + 3909908.

Almost surely, 2^2201120001 is an apocalyptic number.

It is an amenable number.

2201120001 is a deficient number, since it is larger than the sum of its proper divisors (1231284735).

2201120001 is an equidigital number, since it uses as much as digits as its factorization.

2201120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 770 counting only the distinct ones).

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

The square root of 2201120001 is about 46916.0953298546. The cubic root of 2201120001 is about 1300.8121160331.

Adding to 2201120001 its reverse (1000211022), we get a palindrome (3201331023).

The spelling of 2201120001 in words is "two billion, two hundred one million, one hundred twenty thousand, one".