102021020021222 has 8 divisors (see below), whose sum is σ = 161085821086200. Its totient is φ = 48325746325824.

The previous prime is 102021020021191. The next prime is 102021020021281. The reversal of 102021020021222 is 222120020120201.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 102021020021222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1342381842347 + ... + 1342381842422.

It is an arithmetic number, because the mean of its divisors is an integer number (20135727635775).

Almost surely, 2^{102021020021222} is an apocalyptic number.

102021020021222 is a deficient number, since it is larger than the sum of its proper divisors (59064801064978).

102021020021222 is a wasteful number, since it uses less digits than its factorization.

102021020021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684763684790.

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

Adding to 102021020021222 its reverse (222120020120201), we get a palindrome (324141040141423).

The spelling of 102021020021222 in words is "one hundred two trillion, twenty-one billion, twenty million, twenty-one thousand, two hundred twenty-two".