102021822712 has 16 divisors (see below), whose sum is σ = 191324817360. Its totient is φ = 51001871424.

The previous prime is 102021822677. The next prime is 102021822719. The reversal of 102021822712 is 217228120201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021822719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1081908 + ... + 1172419.

It is an arithmetic number, because the mean of its divisors is an integer number (11957801085).

Almost surely, 2^102021822712 is an apocalyptic number.

It is an amenable number.

102021822712 is a deficient number, since it is larger than the sum of its proper divisors (89302994648).

102021822712 is a wasteful number, since it uses less digits than its factorization.

102021822712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259990 (or 2259986 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 28.

Adding to 102021822712 its reverse (217228120201), we get a palindrome (319249942913).

The spelling of 102021822712 in words is "one hundred two billion, twenty-one million, eight hundred twenty-two thousand, seven hundred twelve".