2221112101213 has 2 divisors, whose sum is σ = 2221112101214. Its totient is φ = 2221112101212.

The previous prime is 2221112101199. The next prime is 2221112101261. The reversal of 2221112101213 is 3121012111222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1920048092964 + 301064008249 = 1385658^2 + 548693^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221112101213 - 2⁴¹ = 22088845661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221112101283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110556050606 + 1110556050607.

It is an arithmetic number, because the mean of its divisors is an integer number (1110556050607).

Almost surely, 2^{2221112101213} is an apocalyptic number.

It is an amenable number.

2221112101213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221112101213 is an equidigital number, since it uses as much as digits as its factorization.

2221112101213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 2221112101213 its reverse (3121012111222), we get a palindrome (5342124212435).

The spelling of 2221112101213 in words is "two trillion, two hundred twenty-one billion, one hundred twelve million, one hundred one thousand, two hundred thirteen".