102213321985 has 32 divisors (see below), whose sum is σ = 129794669568. Its totient is φ = 77162492160.

The previous prime is 102213321979. The next prime is 102213322007. The reversal of 102213321985 is 589123312201.

It is a happy number.

It is not a de Polignac number, because 102213321985 - 2⁹ = 102213321473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1300879 + ... + 1377211.

It is an arithmetic number, because the mean of its divisors is an integer number (4056083424).

Almost surely, 2^102213321985 is an apocalyptic number.

It is an amenable number.

102213321985 is a deficient number, since it is larger than the sum of its proper divisors (27581347583).

102213321985 is a wasteful number, since it uses less digits than its factorization.

102213321985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76585.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 102213321985 in words is "one hundred two billion, two hundred thirteen million, three hundred twenty-one thousand, nine hundred eighty-five".