222011122121113 has 4 divisors (see below), whose sum is σ = 239088900745828. Its totient is φ = 204933343496400.

The previous prime is 222011122121081. The next prime is 222011122121123. The reversal of 222011122121113 is 311121221110222.

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 150772171060624 + 71238951060489 = 12278932^2 + 8440317^2 .

It is a cyclic number.

It is not a de Polignac number, because 222011122121113 - 2⁵ = 222011122121081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222011122121123) 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, 8538889312338 + ... + 8538889312363.

It is an arithmetic number, because the mean of its divisors is an integer number (59772225186457).

Almost surely, 2^{222011122121113} is an apocalyptic number.

It is an amenable number.

222011122121113 is a deficient number, since it is larger than the sum of its proper divisors (17077778624715).

222011122121113 is a wasteful number, since it uses less digits than its factorization.

222011122121113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17077778624714.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 222011122121113 its reverse (311121221110222), we get a palindrome (533132343231335).

The spelling of 222011122121113 in words is "two hundred twenty-two trillion, eleven billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred thirteen".