101202002222221 has 4 divisors (see below), whose sum is σ = 101205272213500. Its totient is φ = 101198732230944.

The previous prime is 101202002222149. The next prime is 101202002222239. The reversal of 101202002222221 is 122222200202101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84895031822500 + 16306970399721 = 9213850^2 + 4038189^2 .

It is a cyclic number.

It is not a de Polignac number, because 101202002222221 - 2⁷ = 101202002222093 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 (101202002223221) 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 3 ways as a sum of consecutive naturals, for example, 1634949216 + ... + 1635011113.

It is an arithmetic number, because the mean of its divisors is an integer number (25301318053375).

Almost surely, 2^{101202002222221} is an apocalyptic number.

It is an amenable number.

101202002222221 is a deficient number, since it is larger than the sum of its proper divisors (3269991279).

101202002222221 is an equidigital number, since it uses as much as digits as its factorization.

101202002222221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3269991278.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 101202002222221 its reverse (122222200202101), we get a palindrome (223424202424322).

The spelling of 101202002222221 in words is "one hundred one trillion, two hundred two billion, two million, two hundred twenty-two thousand, two hundred twenty-one".