212001210220111 has 8 divisors (see below), whose sum is σ = 229570371290624. Its totient is φ = 194612245673760.

The previous prime is 212001210220031. The next prime is 212001210220147. The reversal of 212001210220111 is 111022012100212.

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 212001210220111 - 2⁹ = 212001210219599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001210220511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45049128591 + ... + 45049133296.

It is an arithmetic number, because the mean of its divisors is an integer number (28696296411328).

Almost surely, 2^{212001210220111} is an apocalyptic number.

212001210220111 is a deficient number, since it is larger than the sum of its proper divisors (17569161070513).

212001210220111 is a wasteful number, since it uses less digits than its factorization.

212001210220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90098262081.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212001210220111 its reverse (111022012100212), we get a palindrome (323023222320323).

The spelling of 212001210220111 in words is "two hundred twelve trillion, one billion, two hundred ten million, two hundred twenty thousand, one hundred eleven".