212111120222011 has 8 divisors (see below), whose sum is σ = 212374237433040. Its totient is φ = 211848005303808.

The previous prime is 212111120222003. The next prime is 212111120222129. The reversal of 212111120222011 is 110222021111212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212111120222011 - 2³ = 212111120222003 is a prime.

It is a super-2 number, since 2×212111120222011² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212111120222011.

It is not an unprimeable number, because it can be changed into a prime (212111120222611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255283435 + ... + 256112971.

It is an arithmetic number, because the mean of its divisors is an integer number (26546779679130).

Almost surely, 2^{212111120222011} is an apocalyptic number.

212111120222011 is a deficient number, since it is larger than the sum of its proper divisors (263117211029).

212111120222011 is an equidigital number, since it uses as much as digits as its factorization.

212111120222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146413.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 212111120222011 its reverse (110222021111212), we get a palindrome (322333141333223).

The spelling of 212111120222011 in words is "two hundred twelve trillion, one hundred eleven billion, one hundred twenty million, two hundred twenty-two thousand, eleven".