212210210022111 has 12 divisors (see below), whose sum is σ = 350315267338192. Its totient is φ = 121262977155456.

The previous prime is 212210210022103. The next prime is 212210210022143. The reversal of 212210210022111 is 111220012012212.

212210210022111 is a `hidden beast` number, since 2 + 1 + 221 + 0 + 210 + 0 + 221 + 11 = 666.

It is not a de Polignac number, because 212210210022111 - 2³ = 212210210022103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212210210020111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1684208015986 + ... + 1684208016111.

Almost surely, 2^{212210210022111} is an apocalyptic number.

212210210022111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

212210210022111 is a deficient number, since it is larger than the sum of its proper divisors (138105057316081).

212210210022111 is a wasteful number, since it uses less digits than its factorization.

212210210022111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368416032110 (or 3368416032107 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 212210210022111 its reverse (111220012012212), we get a palindrome (323430222034323).

The spelling of 212210210022111 in words is "two hundred twelve trillion, two hundred ten billion, two hundred ten million, twenty-two thousand, one hundred eleven".