212010222021111 has 12 divisors (see below), whose sum is σ = 306266751030240. Its totient is φ = 141326410937280.

The previous prime is 212010222021109. The next prime is 212010222021137. The reversal of 212010222021111 is 111120222010212.

212010222021111 is a `hidden beast` number, since 2 + 120 + 102 + 220 + 211 + 11 = 666.

It is not a de Polignac number, because 212010222021111 - 2¹ = 212010222021109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212010222021211) 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, 1144658655 + ... + 1144843856.

It is an arithmetic number, because the mean of its divisors is an integer number (25522229252520).

Almost surely, 2^{212010222021111} is an apocalyptic number.

212010222021111 is a deficient number, since it is larger than the sum of its proper divisors (94256529009129).

212010222021111 is a wasteful number, since it uses less digits than its factorization.

212010222021111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289512806 (or 2289512803 counting only the distinct ones).

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

Adding to 212010222021111 its reverse (111120222010212), we get a palindrome (323130444031323).

The spelling of 212010222021111 in words is "two hundred twelve trillion, ten billion, two hundred twenty-two million, twenty-one thousand, one hundred eleven".