221012102000201 has 4 divisors (see below), whose sum is σ = 221067814659072. Its totient is φ = 220956389341332.

The previous prime is 221012102000197. The next prime is 221012102000219. The reversal of 221012102000201 is 102000201210122.

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 221012102000201 - 2² = 221012102000197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221012102000251) 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, 27856323485 + ... + 27856331418.

It is an arithmetic number, because the mean of its divisors is an integer number (55266953664768).

Almost surely, 2^{221012102000201} is an apocalyptic number.

It is an amenable number.

221012102000201 is a deficient number, since it is larger than the sum of its proper divisors (55712658871).

221012102000201 is an equidigital number, since it uses as much as digits as its factorization.

221012102000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55712658870.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 221012102000201 its reverse (102000201210122), we get a palindrome (323012303210323).

The spelling of 221012102000201 in words is "two hundred twenty-one trillion, twelve billion, one hundred two million, two hundred one", and thus it is an aban number.