2201011100001 has 48 divisors (see below), whose sum is σ = 3751342952448. Its totient is φ = 1217382566400.

The previous prime is 2201011099997. The next prime is 2201011100003. The reversal of 2201011100001 is 1000011101022.

It is a happy number.

It is not a de Polignac number, because 2201011100001 - 2² = 2201011099997 is a prime.

It is a super-2 number, since 2×2201011100001² (a number of 25 digits) contains 22 as substring.

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 (2201011100003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3026740 + ... + 3682821.

It is an arithmetic number, because the mean of its divisors is an integer number (78152978176).

Almost surely, 2^{2201011100001} is an apocalyptic number.

2201011100001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2201011100001 is a deficient number, since it is larger than the sum of its proper divisors (1550331852447).

2201011100001 is a wasteful number, since it uses less digits than its factorization.

2201011100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6709742 (or 6709739 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 2201011100001 its reverse (1000011101022), we get a palindrome (3201022201023).

The spelling of 2201011100001 in words is "two trillion, two hundred one billion, eleven million, one hundred thousand, one".