102211213828 has 24 divisors (see below), whose sum is σ = 179355617280. Its totient is φ = 50966847360.

The previous prime is 102211213817. The next prime is 102211213829. The reversal of 102211213828 is 828312112201.

It is a self number, because there is not a number n which added to its sum of digits gives 102211213828.

It is not an unprimeable number, because it can be changed into a prime (102211213829) 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, 4953100 + ... + 4973692.

It is an arithmetic number, because the mean of its divisors is an integer number (7473150720).

Almost surely, 2^102211213828 is an apocalyptic number.

It is an amenable number.

102211213828 is a deficient number, since it is larger than the sum of its proper divisors (77144403452).

102211213828 is a wasteful number, since it uses less digits than its factorization.

102211213828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23907 (or 23905 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 31.

The spelling of 102211213828 in words is "one hundred two billion, two hundred eleven million, two hundred thirteen thousand, eight hundred twenty-eight".