2221012010213 has 4 divisors (see below), whose sum is σ = 2221130211948. Its totient is φ = 2220893808480.

The previous prime is 2221012010207. The next prime is 2221012010233. The reversal of 2221012010213 is 3120102101222.

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 1649932543009 + 571079467204 = 1284497^2 + 755698^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221012010213 - 2¹⁰ = 2221012009189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221012010191 and 2221012010200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221012010233) 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, 59072678 + ... + 59110263.

It is an arithmetic number, because the mean of its divisors is an integer number (555282552987).

Almost surely, 2^{2221012010213} is an apocalyptic number.

It is an amenable number.

2221012010213 is a deficient number, since it is larger than the sum of its proper divisors (118201735).

2221012010213 is a wasteful number, since it uses less digits than its factorization.

2221012010213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118201734.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 2221012010213 its reverse (3120102101222), we get a palindrome (5341114111435).

The spelling of 2221012010213 in words is "two trillion, two hundred twenty-one billion, twelve million, ten thousand, two hundred thirteen".