221010112000209 has 16 divisors (see below), whose sum is σ = 337463214382080. Its totient is φ = 126034279749840.

The previous prime is 221010112000201. The next prime is 221010112000213. The reversal of 221010112000209 is 902000211010122.

It is not a de Polignac number, because 221010112000209 - 2³ = 221010112000201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (221010112000201) 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 15 ways as a sum of consecutive naturals, for example, 10717190349 + ... + 10717210970.

It is an arithmetic number, because the mean of its divisors is an integer number (21091450898880).

Almost surely, 2^{221010112000209} is an apocalyptic number.

It is an amenable number.

221010112000209 is a deficient number, since it is larger than the sum of its proper divisors (116453102381871).

221010112000209 is a wasteful number, since it uses less digits than its factorization.

221010112000209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21434401820.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 221010112000209 in words is "two hundred twenty-one trillion, ten billion, one hundred twelve million, two hundred nine", and thus it is an aban number.