20211113222239 has 2 divisors, whose sum is σ = 20211113222240. Its totient is φ = 20211113222238.

The previous prime is 20211113222161. The next prime is 20211113222269. The reversal of 20211113222239 is 93222231111202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20211113222239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20211113222239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20211113222269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105556611119 + 10105556611120.

It is an arithmetic number, because the mean of its divisors is an integer number (10105556611120).

Almost surely, 2^{20211113222239} is an apocalyptic number.

20211113222239 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211113222239 is an equidigital number, since it uses as much as digits as its factorization.

20211113222239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 20211113222239 in words is "twenty trillion, two hundred eleven billion, one hundred thirteen million, two hundred twenty-two thousand, two hundred thirty-nine".