221110212100011 has 32 divisors (see below), whose sum is σ = 317554072399872. Its totient is φ = 136041046149120.

The previous prime is 221110212099983. The next prime is 221110212100021. The reversal of 221110212100011 is 110001212011122.

It is a happy number.

It is not a de Polignac number, because 221110212100011 - 2⁵ = 221110212099979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221110212100021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6896101366 + ... + 6896133428.

It is an arithmetic number, because the mean of its divisors is an integer number (9923564762496).

Almost surely, 2^{221110212100011} is an apocalyptic number.

221110212100011 is a deficient number, since it is larger than the sum of its proper divisors (96443860299861).

221110212100011 is a wasteful number, since it uses less digits than its factorization.

221110212100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61363.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 221110212100011 its reverse (110001212011122), we get a palindrome (331111424111133).

The spelling of 221110212100011 in words is "two hundred twenty-one trillion, one hundred ten billion, two hundred twelve million, one hundred thousand, eleven".