2221201112211 has 48 divisors (see below), whose sum is σ = 3339958702080. Its totient is φ = 1420909776000.

The previous prime is 2221201112161. The next prime is 2221201112233. The reversal of 2221201112211 is 1122111021222.

2221201112211 is a `hidden beast` number, since 222 + 120 + 1 + 112 + 211 = 666.

It is not a de Polignac number, because 2221201112211 - 2⁶ = 2221201112147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221201110211) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44967135 + ... + 45016503.

It is an arithmetic number, because the mean of its divisors is an integer number (69582472960).

Almost surely, 2^{2221201112211} is an apocalyptic number.

2221201112211 is a deficient number, since it is larger than the sum of its proper divisors (1118757589869).

2221201112211 is a wasteful number, since it uses less digits than its factorization.

2221201112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50768 (or 50765 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2221201112211 its reverse (1122111021222), we get a palindrome (3343312133433).

It can be divided in two parts, 222120 and 1112211, that added together give a palindrome (1334331).

The spelling of 2221201112211 in words is "two trillion, two hundred twenty-one billion, two hundred one million, one hundred twelve thousand, two hundred eleven".