102216443890 has 32 divisors (see below), whose sum is σ = 200827149120. Its totient is φ = 37149019200.

The previous prime is 102216443887. The next prime is 102216443911. The reversal of 102216443890 is 98344612201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57345 + ... + 455764.

It is an arithmetic number, because the mean of its divisors is an integer number (6275848410).

Almost surely, 2^102216443890 is an apocalyptic number.

102216443890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102216443890 is a deficient number, since it is larger than the sum of its proper divisors (98610705230).

102216443890 is a wasteful number, since it uses less digits than its factorization.

102216443890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514938.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 102216443890 in words is "one hundred two billion, two hundred sixteen million, four hundred forty-three thousand, eight hundred ninety".