2221301111213 has 8 divisors (see below), whose sum is σ = 2268439294968. Its totient is φ = 2174356514304.

The previous prime is 2221301111207. The next prime is 2221301111261. The reversal of 2221301111213 is 3121111031222.

It can be written as a sum of positive squares in 4 ways, for example, as 757982666884 + 1463318444329 = 870622^2 + 1209677^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2221301111213 - 2⁶ = 2221301111149 is a prime.

It is a super-2 number, since 2×2221301111213² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221301117213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48373520 + ... + 48419417.

It is an arithmetic number, because the mean of its divisors is an integer number (283554911871).

Almost surely, 2^{2221301111213} is an apocalyptic number.

It is an amenable number.

2221301111213 is a deficient number, since it is larger than the sum of its proper divisors (47138183755).

2221301111213 is an equidigital number, since it uses as much as digits as its factorization.

2221301111213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96793423.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 2221301111213 its reverse (3121111031222), we get a palindrome (5342412142435).

The spelling of 2221301111213 in words is "two trillion, two hundred twenty-one billion, three hundred one million, one hundred eleven thousand, two hundred thirteen".