20022233111 has 2 divisors, whose sum is σ = 20022233112. Its totient is φ = 20022233110.

The previous prime is 20022233081. The next prime is 20022233113. The reversal of 20022233111 is 11133222002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20022233111 - 2¹⁸ = 20021970967 is a prime.

Together with 20022233113, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20022233111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022233113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011116555 + 10011116556.

It is an arithmetic number, because the mean of its divisors is an integer number (10011116556).

Almost surely, 2^20022233111 is an apocalyptic number.

20022233111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022233111 is an equidigital number, since it uses as much as digits as its factorization.

20022233111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20022233111 its reverse (11133222002), we get a palindrome (31155455113).

The spelling of 20022233111 in words is "twenty billion, twenty-two million, two hundred thirty-three thousand, one hundred eleven".