2211120212101 has 8 divisors (see below), whose sum is σ = 2240544127640. Its totient is φ = 2181831579648.

The previous prime is 2211120212089. The next prime is 2211120212107. The reversal of 2211120212101 is 1012120211122.

It can be written as a sum of positive squares in 4 ways, for example, as 420421263201 + 1790698948900 = 648399^2 + 1338170^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2211120212101 - 2²³ = 2211111823493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211120212107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33787866 + ... + 33853243.

It is an arithmetic number, because the mean of its divisors is an integer number (280068015955).

Almost surely, 2^{2211120212101} is an apocalyptic number.

It is an amenable number.

2211120212101 is a deficient number, since it is larger than the sum of its proper divisors (29423915539).

2211120212101 is an equidigital number, since it uses as much as digits as its factorization.

2211120212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67641543.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2211120212101 its reverse (1012120211122), we get a palindrome (3223240423223).

The spelling of 2211120212101 in words is "two trillion, two hundred eleven billion, one hundred twenty million, two hundred twelve thousand, one hundred one".