1222011022213 has 4 divisors (see below), whose sum is σ = 1233431686080. Its totient is φ = 1210590358348.

The previous prime is 1222011022189. The next prime is 1222011022231. The reversal of 1222011022213 is 3122201102221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222011022213 is a prime.

It is a super-2 number, since 2×1222011022213² (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 (1222011023213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5710331773 + ... + 5710331986.

It is an arithmetic number, because the mean of its divisors is an integer number (308357921520).

Almost surely, 2^{1222011022213} is an apocalyptic number.

It is an amenable number.

1222011022213 is a deficient number, since it is larger than the sum of its proper divisors (11420663867).

1222011022213 is a wasteful number, since it uses less digits than its factorization.

1222011022213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11420663866.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 1222011022213 its reverse (3122201102221), we get a palindrome (4344212124434).

It can be divided in two parts, 122201102221 and 3, that multiplied together give a palindrome (366603306663).

The spelling of 1222011022213 in words is "one trillion, two hundred twenty-two billion, eleven million, twenty-two thousand, two hundred thirteen".