2122100023211 has 6 divisors (see below), whose sum is σ = 2468565333180. Its totient is φ = 1818942876996.

The previous prime is 2122100023139. The next prime is 2122100023237. The reversal of 2122100023211 is 1123200012212.

It is a de Polignac number, because none of the positive numbers 2^k-2122100023211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2122100023211.

It is not an unprimeable number, because it can be changed into a prime (2122100223211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21654081821 + ... + 21654081918.

It is an arithmetic number, because the mean of its divisors is an integer number (411427555530).

Almost surely, 2^{2122100023211} is an apocalyptic number.

2122100023211 is a deficient number, since it is larger than the sum of its proper divisors (346465309969).

2122100023211 is an equidigital number, since it uses as much as digits as its factorization.

2122100023211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43308163753 (or 43308163746 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2122100023211 its reverse (1123200012212), we get a palindrome (3245300035423).

The spelling of 2122100023211 in words is "two trillion, one hundred twenty-two billion, one hundred million, twenty-three thousand, two hundred eleven".