20002202101111 has 2 divisors, whose sum is σ = 20002202101112. Its totient is φ = 20002202101110.

The previous prime is 20002202101103. The next prime is 20002202101129. The reversal of 20002202101111 is 11110120220002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20002202101111 - 2³ = 20002202101103 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20002202101091 and 20002202101100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20002202101181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10001101050555 + 10001101050556.

It is an arithmetic number, because the mean of its divisors is an integer number (10001101050556).

Almost surely, 2^{20002202101111} is an apocalyptic number.

20002202101111 is a deficient number, since it is larger than the sum of its proper divisors (1).

20002202101111 is an equidigital number, since it uses as much as digits as its factorization.

20002202101111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20002202101111 its reverse (11110120220002), we get a palindrome (31112322321113).

The spelling of 20002202101111 in words is "twenty trillion, two billion, two hundred two million, one hundred one thousand, one hundred eleven".