221101001202010 has 64 divisors (see below), whose sum is σ = 401835613181184. Its totient is φ = 87587960588800.

The previous prime is 221101001201999. The next prime is 221101001202013. The reversal of 221101001202010 is 10202100101122.

It is not an unprimeable number, because it can be changed into a prime (221101001202013) 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 31 ways as a sum of consecutive naturals, for example, 5163356400 + ... + 5163399220.

It is an arithmetic number, because the mean of its divisors is an integer number (6278681455956).

Almost surely, 2^{221101001202010} is an apocalyptic number.

221101001202010 is a deficient number, since it is larger than the sum of its proper divisors (180734611979174).

221101001202010 is a wasteful number, since it uses less digits than its factorization.

221101001202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54279.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221101001202010 its reverse (10202100101122), we get a palindrome (231303101303132).

The spelling of 221101001202010 in words is "two hundred twenty-one trillion, one hundred one billion, one million, two hundred two thousand, ten".