102022020210221 has 8 divisors (see below), whose sum is σ = 102128050506240. Its totient is φ = 101916044815312.

The previous prime is 102022020210199. The next prime is 102022020210281. The reversal of 102022020210221 is 122012020220201.

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 102022020210221 - 2³⁸ = 101747142303277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102022020210221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102022020210281) 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, 10006250 + ... + 17440443.

It is an arithmetic number, because the mean of its divisors is an integer number (12766006313280).

Almost surely, 2^{102022020210221} is an apocalyptic number.

It is an amenable number.

102022020210221 is a deficient number, since it is larger than the sum of its proper divisors (106030296019).

102022020210221 is a wasteful number, since it uses less digits than its factorization.

102022020210221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27450555.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 102022020210221 its reverse (122012020220201), we get a palindrome (224034040430422).

The spelling of 102022020210221 in words is "one hundred two trillion, twenty-two billion, twenty million, two hundred ten thousand, two hundred twenty-one".