2201211101 has 4 divisors (see below), whose sum is σ = 2225943900. Its totient is φ = 2176478304.

The previous prime is 2201211059. The next prime is 2201211109. The reversal of 2201211101 is 1011121022.

2201211101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 347822500 + 1853388601 = 18650^2 + 43051^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201211101 - 2¹⁴ = 2201194717 is a prime.

It is a super-2 number, since 2×2201211101² = 9690660622331264402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201211109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12366266 + ... + 12366443.

It is an arithmetic number, because the mean of its divisors is an integer number (556485975).

Almost surely, 2^2201211101 is an apocalyptic number.

It is an amenable number.

2201211101 is a deficient number, since it is larger than the sum of its proper divisors (24732799).

2201211101 is an equidigital number, since it uses as much as digits as its factorization.

2201211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24732798.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 2201211101 is about 46917.0662019696. The cubic root of 2201211101 is about 1300.8300617984.

Adding to 2201211101 its reverse (1011121022), we get a palindrome (3212332123).

The spelling of 2201211101 in words is "two billion, two hundred one million, two hundred eleven thousand, one hundred one".