221201020011194 has 16 divisors (see below), whose sum is σ = 334887824515200. Its totient is φ = 109572001195824.

The previous prime is 221201020011193. The next prime is 221201020011211. The reversal of 221201020011194 is 491110020102122.

It is not an unprimeable number, because it can be changed into a prime (221201020011193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62273654 + ... + 65729825.

It is an arithmetic number, because the mean of its divisors is an integer number (20930489032200).

Almost surely, 2^{221201020011194} is an apocalyptic number.

221201020011194 is a deficient number, since it is larger than the sum of its proper divisors (113686804504006).

221201020011194 is a wasteful number, since it uses less digits than its factorization.

221201020011194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128011517.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 221201020011194 in words is "two hundred twenty-one trillion, two hundred one billion, twenty million, eleven thousand, one hundred ninety-four".