2111220000001 has 12 divisors (see below), whose sum is σ = 2457917151552. Its totient is φ = 1808137437288.

The previous prime is 2111219999969. The next prime is 2111220000013. The reversal of 2111220000001 is 1000000221112.

It is not a de Polignac number, because 2111220000001 - 2⁵ = 2111219999969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2111220000061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17555005 + ... + 17674858.

It is an arithmetic number, because the mean of its divisors is an integer number (204826429296).

Almost surely, 2^{2111220000001} is an apocalyptic number.

It is an amenable number.

2111220000001 is a deficient number, since it is larger than the sum of its proper divisors (346697151551).

2111220000001 is a wasteful number, since it uses less digits than its factorization.

2111220000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35231100 (or 35231093 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2111220000001 its reverse (1000000221112), we get a palindrome (3111220221113).

The spelling of 2111220000001 in words is "two trillion, one hundred eleven billion, two hundred twenty million, one", and thus it is an aban number.