210022120111 has 2 divisors, whose sum is σ = 210022120112. Its totient is φ = 210022120110.

The previous prime is 210022120081. The next prime is 210022120127. The reversal of 210022120111 is 111021220012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 210022120111 - 2⁵ = 210022120079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210022120091 and 210022120100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210022127111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105011060055 + 105011060056.

It is an arithmetic number, because the mean of its divisors is an integer number (105011060056).

Almost surely, 2^210022120111 is an apocalyptic number.

210022120111 is a deficient number, since it is larger than the sum of its proper divisors (1).

210022120111 is an equidigital number, since it uses as much as digits as its factorization.

210022120111 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 210022120111 its reverse (111021220012), we get a palindrome (321043340123).

Subtracting from 210022120111 its reverse (111021220012), we obtain a palindrome (99000900099).

The spelling of 210022120111 in words is "two hundred ten billion, twenty-two million, one hundred twenty thousand, one hundred eleven".