20022200111 has 2 divisors, whose sum is σ = 20022200112. Its totient is φ = 20022200110.

The previous prime is 20022200101. The next prime is 20022200119. The reversal of 20022200111 is 11100222002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20022200111 - 2¹⁸ = 20021937967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20022200092 and 20022200101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20022200119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011100055 + 10011100056.

It is an arithmetic number, because the mean of its divisors is an integer number (10011100056).

Almost surely, 2^20022200111 is an apocalyptic number.

20022200111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022200111 is an equidigital number, since it uses as much as digits as its factorization.

20022200111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20022200111 its reverse (11100222002), we get a palindrome (31122422113).

The spelling of 20022200111 in words is "twenty billion, twenty-two million, two hundred thousand, one hundred eleven".