2201000100001 has 4 divisors (see below), whose sum is σ = 2203070656192. Its totient is φ = 2198929543812.

The previous prime is 2201000099981. The next prime is 2201000100043. The reversal of 2201000100001 is 1000010001022.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2201000100001 - 2¹¹ = 2201000097953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201000100401) 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, 1035276501 + ... + 1035278626.

It is an arithmetic number, because the mean of its divisors is an integer number (550767664048).

Almost surely, 2^{2201000100001} is an apocalyptic number.

It is an amenable number.

2201000100001 is a deficient number, since it is larger than the sum of its proper divisors (2070556191).

2201000100001 is a wasteful number, since it uses less digits than its factorization.

2201000100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2070556190.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 2201000100001 its reverse (1000010001022), we get a palindrome (3201010101023).

The spelling of 2201000100001 in words is "two trillion, two hundred one billion, one hundred thousand, one".