102002102021222 has 16 divisors (see below), whose sum is σ = 166030432655472. Its totient is φ = 46718520008160.

The previous prime is 102002102021207. The next prime is 102002102021231. The reversal of 102002102021222 is 222120201200201.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 102002102021222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14973881213 + ... + 14973888024.

It is an arithmetic number, because the mean of its divisors is an integer number (10376902040967).

Almost surely, 2^{102002102021222} is an apocalyptic number.

102002102021222 is a deficient number, since it is larger than the sum of its proper divisors (64028330634250).

102002102021222 is a wasteful number, since it uses less digits than its factorization.

102002102021222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29947769383.

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

Adding to 102002102021222 its reverse (222120201200201), we get a palindrome (324122303221423).

The spelling of 102002102021222 in words is "one hundred two trillion, two billion, one hundred two million, twenty-one thousand, two hundred twenty-two".