221200021201011 has 8 divisors (see below), whose sum is σ = 294933605683200. Its totient is φ = 147466558759752.

The previous prime is 221200021200973. The next prime is 221200021201157. The reversal of 221200021201011 is 110102120002122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221200021201011 - 2⁷ = 221200021200883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221200021205011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26193811 + ... + 33593388.

It is an arithmetic number, because the mean of its divisors is an integer number (36866700710400).

Almost surely, 2^{221200021201011} is an apocalyptic number.

221200021201011 is a deficient number, since it is larger than the sum of its proper divisors (73733584482189).

221200021201011 is a wasteful number, since it uses less digits than its factorization.

221200021201011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61020465.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 221200021201011 its reverse (110102120002122), we get a palindrome (331302141203133).

The spelling of 221200021201011 in words is "two hundred twenty-one trillion, two hundred billion, twenty-one million, two hundred one thousand, eleven".