102021222310102 has 4 divisors (see below), whose sum is σ = 153031833465156. Its totient is φ = 51010611155050.

The previous prime is 102021222310069. The next prime is 102021222310123. The reversal of 102021222310102 is 201013222120201.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102021222310102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25505305577524 + ... + 25505305577527.

It is an arithmetic number, because the mean of its divisors is an integer number (38257958366289).

Almost surely, 2^{102021222310102} is an apocalyptic number.

102021222310102 is a deficient number, since it is larger than the sum of its proper divisors (51010611155054).

102021222310102 is an equidigital number, since it uses as much as digits as its factorization.

102021222310102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51010611155053.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 102021222310102 its reverse (201013222120201), we get a palindrome (303034444430303).

The spelling of 102021222310102 in words is "one hundred two trillion, twenty-one billion, two hundred twenty-two million, three hundred ten thousand, one hundred two".