212003020111 has 2 divisors, whose sum is σ = 212003020112. Its totient is φ = 212003020110.

The previous prime is 212003020109. The next prime is 212003020123. The reversal of 212003020111 is 111020300212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212003020111 - 2¹ = 212003020109 is a prime.

Together with 212003020109, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 212003020091 and 212003020100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212003020711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106001510055 + 106001510056.

It is an arithmetic number, because the mean of its divisors is an integer number (106001510056).

Almost surely, 2^212003020111 is an apocalyptic number.

212003020111 is a deficient number, since it is larger than the sum of its proper divisors (1).

212003020111 is an equidigital number, since it uses as much as digits as its factorization.

212003020111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 212003020111 its reverse (111020300212), we get a palindrome (323023320323).

The spelling of 212003020111 in words is "two hundred twelve billion, three million, twenty thousand, one hundred eleven".