2201212111 has 8 divisors (see below), whose sum is σ = 2648074880. Its totient is φ = 1787450328.

The previous prime is 2201212109. The next prime is 2201212151. The reversal of 2201212111 is 1112121022.

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 2201212111 - 2¹ = 2201212109 is a prime.

It is a super-2 number, since 2×2201212111² = 9690669515226152642, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201212091 and 2201212100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201212151) 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 7 ways as a sum of consecutive naturals, for example, 8275101 + ... + 8275366.

It is an arithmetic number, because the mean of its divisors is an integer number (331009360).

Almost surely, 2^2201212111 is an apocalyptic number.

2201212111 is a deficient number, since it is larger than the sum of its proper divisors (446862769).

2201212111 is a wasteful number, since it uses less digits than its factorization.

2201212111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16550493.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 2201212111 is about 46917.0769656423. The cubic root of 2201212111 is about 1300.8302607553.

Adding to 2201212111 its reverse (1112121022), we get a palindrome (3313333133).

The spelling of 2201212111 in words is "two billion, two hundred one million, two hundred twelve thousand, one hundred eleven".