2201211010111 has 4 divisors (see below), whose sum is σ = 2201214772072. Its totient is φ = 2201207248152.

The previous prime is 2201211010079. The next prime is 2201211010199. The reversal of 2201211010111 is 1110101121022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2201211010111 - 2⁵ = 2201211010079 is a prime.

It is a super-2 number, since 2×2201211010111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2201211010091 and 2201211010100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201211040111) 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, 793860 + ... + 2243353.

It is an arithmetic number, because the mean of its divisors is an integer number (550303693018).

Almost surely, 2^{2201211010111} is an apocalyptic number.

2201211010111 is a deficient number, since it is larger than the sum of its proper divisors (3761961).

2201211010111 is an equidigital number, since it uses as much as digits as its factorization.

2201211010111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3761960.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2201211010111 its reverse (1110101121022), we get a palindrome (3311312131133).

The spelling of 2201211010111 in words is "two trillion, two hundred one billion, two hundred eleven million, ten thousand, one hundred eleven".