212304100020101 has 4 divisors (see below), whose sum is σ = 212426043789804. Its totient is φ = 212182156250400.

The previous prime is 212304100020053. The next prime is 212304100020127. The reversal of 212304100020101 is 101020001403212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3397113451876 + 208906986568225 = 1843126^2 + 14453615^2 .

It is a cyclic number.

It is not a de Polignac number, because 212304100020101 - 2³⁸ = 212029222113157 is a prime.

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 212304100020101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212304100020151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60971882240 + ... + 60971885721.

It is an arithmetic number, because the mean of its divisors is an integer number (53106510947451).

Almost surely, 2^{212304100020101} is an apocalyptic number.

It is an amenable number.

212304100020101 is a deficient number, since it is larger than the sum of its proper divisors (121943769703).

212304100020101 is a wasteful number, since it uses less digits than its factorization.

212304100020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121943769702.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 212304100020101 its reverse (101020001403212), we get a palindrome (313324101423313).

The spelling of 212304100020101 in words is "two hundred twelve trillion, three hundred four billion, one hundred million, twenty thousand, one hundred one".