102220221999 has 8 divisors (see below), whose sum is σ = 155764147840. Its totient is φ = 58411555416.

The previous prime is 102220221991. The next prime is 102220222003. The reversal of 102220221999 is 999122022201.

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

It is not a de Polignac number, because 102220221999 - 2³ = 102220221991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220221991) 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, 2433814789 + ... + 2433814830.

It is an arithmetic number, because the mean of its divisors is an integer number (19470518480).

Almost surely, 2^102220221999 is an apocalyptic number.

102220221999 is a deficient number, since it is larger than the sum of its proper divisors (53543925841).

102220221999 is an equidigital number, since it uses as much as digits as its factorization.

102220221999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4867629629.

The product of its (nonzero) digits is 23328, while the sum is 39.

The spelling of 102220221999 in words is "one hundred two billion, two hundred twenty million, two hundred twenty-one thousand, nine hundred ninety-nine".