221002102010101 has 32 divisors (see below), whose sum is σ = 246455526683520. Its totient is φ = 196944618240000.

The previous prime is 221002102010089. The next prime is 221002102010113. The reversal of 221002102010101 is 101010201200122.

It is an interprime number because it is at equal distance from previous prime (221002102010089) and next prime (221002102010113).

It is a cyclic number.

It is not a de Polignac number, because 221002102010101 - 2³⁹ = 220452346196213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221002102010141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5630463726 + ... + 5630502976.

It is an arithmetic number, because the mean of its divisors is an integer number (7701735208860).

Almost surely, 2^{221002102010101} is an apocalyptic number.

It is an amenable number.

221002102010101 is a deficient number, since it is larger than the sum of its proper divisors (25453424673419).

221002102010101 is a wasteful number, since it uses less digits than its factorization.

221002102010101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48565.

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

Adding to 221002102010101 its reverse (101010201200122), we get a palindrome (322012303210223).

The spelling of 221002102010101 in words is "two hundred twenty-one trillion, two billion, one hundred two million, ten thousand, one hundred one".