212100120022201 has 4 divisors (see below), whose sum is σ = 212100153570304. Its totient is φ = 212100086474100.

The previous prime is 212100120022163. The next prime is 212100120022211. The reversal of 212100120022201 is 102220021001212.

It is a happy number.

212100120022201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 212100120022201 - 2¹⁷ = 212100119891129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212100120022211) 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, 4097145 + ... + 20999686.

It is an arithmetic number, because the mean of its divisors is an integer number (53025038392576).

Almost surely, 2^{212100120022201} is an apocalyptic number.

It is an amenable number.

212100120022201 is a deficient number, since it is larger than the sum of its proper divisors (33548103).

212100120022201 is an equidigital number, since it uses as much as digits as its factorization.

212100120022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33548102.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212100120022201 its reverse (102220021001212), we get a palindrome (314320141023413).

The spelling of 212100120022201 in words is "two hundred twelve trillion, one hundred billion, one hundred twenty million, twenty-two thousand, two hundred one".