221002220110101 has 16 divisors (see below), whose sum is σ = 294745997701440. Its totient is φ = 147296629526400.

The previous prime is 221002220110099. The next prime is 221002220110141. The reversal of 221002220110101 is 101011022200122.

It is not a de Polignac number, because 221002220110101 - 2¹ = 221002220110099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221002220110141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 660540811 + ... + 660875303.

It is an arithmetic number, because the mean of its divisors is an integer number (18421624856340).

Almost surely, 2^{221002220110101} is an apocalyptic number.

It is an amenable number.

221002220110101 is a deficient number, since it is larger than the sum of its proper divisors (73743777591339).

221002220110101 is a wasteful number, since it uses less digits than its factorization.

221002220110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390916.

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

Adding to 221002220110101 its reverse (101011022200122), we get a palindrome (322013242310223).

The spelling of 221002220110101 in words is "two hundred twenty-one trillion, two billion, two hundred twenty million, one hundred ten thousand, one hundred one".