102221440101021 has 8 divisors (see below), whose sum is σ = 139464910525600. Its totient is φ = 66562798205232.

The previous prime is 102221440100999. The next prime is 102221440101089. The reversal of 102221440101021 is 120101044122201.

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

It is not a de Polignac number, because 102221440101021 - 2¹⁰ = 102221440099997 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 (102221440101721) 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, 396207132046 + ... + 396207132303.

It is an arithmetic number, because the mean of its divisors is an integer number (17433113815700).

Almost surely, 2^{102221440101021} is an apocalyptic number.

It is an amenable number.

102221440101021 is a deficient number, since it is larger than the sum of its proper divisors (37243470424579).

102221440101021 is an equidigital number, since it uses as much as digits as its factorization.

102221440101021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792414264395.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 102221440101021 its reverse (120101044122201), we get a palindrome (222322484223222).

The spelling of 102221440101021 in words is "one hundred two trillion, two hundred twenty-one billion, four hundred forty million, one hundred one thousand, twenty-one".