212110111020111 has 8 divisors (see below), whose sum is σ = 282823088893104. Its totient is φ = 141401936913600.

The previous prime is 212110111020097. The next prime is 212110111020131. The reversal of 212110111020111 is 111020111011212.

212110111020111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 212110111020111 - 2⁶ = 212110111020047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212110111020131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1200838590 + ... + 1201015211.

It is an arithmetic number, because the mean of its divisors is an integer number (35352886111638).

Almost surely, 2^{212110111020111} is an apocalyptic number.

212110111020111 is a deficient number, since it is larger than the sum of its proper divisors (70712977872993).

212110111020111 is a wasteful number, since it uses less digits than its factorization.

212110111020111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2401883241.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 212110111020111 its reverse (111020111011212), we get a palindrome (323130222031323).

The spelling of 212110111020111 in words is "two hundred twelve trillion, one hundred ten billion, one hundred eleven million, twenty thousand, one hundred eleven".