212143332020101 has 16 divisors (see below), whose sum is σ = 219193852082688. Its totient is φ = 205105831761600.

The previous prime is 212143332020071. The next prime is 212143332020129. The reversal of 212143332020101 is 101020233341212.

It is not a de Polignac number, because 212143332020101 - 2¹⁷ = 212143331889029 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 (212143332020141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180476211 + ... + 181647871.

It is an arithmetic number, because the mean of its divisors is an integer number (13699615755168).

Almost surely, 2^{212143332020101} is an apocalyptic number.

It is an amenable number.

212143332020101 is a deficient number, since it is larger than the sum of its proper divisors (7050520062587).

212143332020101 is a wasteful number, since it uses less digits than its factorization.

212143332020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177212.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 212143332020101 its reverse (101020233341212), we get a palindrome (313163565361313).

The spelling of 212143332020101 in words is "two hundred twelve trillion, one hundred forty-three billion, three hundred thirty-two million, twenty thousand, one hundred one".