102002222000021 has 8 divisors (see below), whose sum is σ = 116671682986944. Its totient is φ = 87357189759840.

The previous prime is 102002221999919. The next prime is 102002222000099. The reversal of 102002222000021 is 120000222200201.

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

It is not a de Polignac number, because 102002222000021 - 2¹⁸ = 102002221737877 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 (102002222000621) 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, 6107177735 + ... + 6107194436.

It is an arithmetic number, because the mean of its divisors is an integer number (14583960373368).

Almost surely, 2^{102002222000021} is an apocalyptic number.

It is an amenable number.

102002222000021 is a deficient number, since it is larger than the sum of its proper divisors (14669460986923).

102002222000021 is a wasteful number, since it uses less digits than its factorization.

102002222000021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12214373371.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 102002222000021 its reverse (120000222200201), we get a palindrome (222002444200222).

The spelling of 102002222000021 in words is "one hundred two trillion, two billion, two hundred twenty-two million, twenty-one", and thus it is an aban number.