221002101110101 has 8 divisors (see below), whose sum is σ = 230611069871424. Its totient is φ = 211393147495200.

The previous prime is 221002101110069. The next prime is 221002101110123. The reversal of 221002101110101 is 101011101200122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 221002101110101 - 2⁵ = 221002101110069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221002101110191) 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, 34091905 + ... + 40053241.

It is an arithmetic number, because the mean of its divisors is an integer number (28826383733928).

Almost surely, 2^{221002101110101} is an apocalyptic number.

It is an amenable number.

221002101110101 is a deficient number, since it is larger than the sum of its proper divisors (9608968761323).

221002101110101 is a wasteful number, since it uses less digits than its factorization.

221002101110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7573211.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 221002101110101 its reverse (101011101200122), we get a palindrome (322013202310223).

The spelling of 221002101110101 in words is "two hundred twenty-one trillion, two billion, one hundred one million, one hundred ten thousand, one hundred one".