2221001200111 has 2 divisors, whose sum is σ = 2221001200112. Its totient is φ = 2221001200110.

The previous prime is 2221001200043. The next prime is 2221001200153. The reversal of 2221001200111 is 1110021001222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2221001200111 - 2¹³ = 2221001191919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2221001200091 and 2221001200100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221001200181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110500600055 + 1110500600056.

It is an arithmetic number, because the mean of its divisors is an integer number (1110500600056).

Almost surely, 2^{2221001200111} is an apocalyptic number.

2221001200111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221001200111 is an equidigital number, since it uses as much as digits as its factorization.

2221001200111 is an evil number, because the sum of its binary digits is even.

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

Adding to 2221001200111 its reverse (1110021001222), we get a palindrome (3331022201333).

The spelling of 2221001200111 in words is "two trillion, two hundred twenty-one billion, one million, two hundred thousand, one hundred eleven".