102001220219 has 8 divisors (see below), whose sum is σ = 103966368000. Its totient is φ = 100043949672.

The previous prime is 102001220213. The next prime is 102001220231. The reversal of 102001220219 is 912022100201.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 102001220219 - 2²⁰ = 102000171643 is a prime.

It is a super-2 number, since 2×102001220219² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102001220219.

It is not an unprimeable number, because it can be changed into a prime (102001220213) 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, 1943159 + ... + 1994960.

It is an arithmetic number, because the mean of its divisors is an integer number (12995796000).

Almost surely, 2^102001220219 is an apocalyptic number.

102001220219 is a deficient number, since it is larger than the sum of its proper divisors (1965147781).

102001220219 is an equidigital number, since it uses as much as digits as its factorization.

102001220219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3938617.

The product of its (nonzero) digits is 144, while the sum is 20.

The spelling of 102001220219 in words is "one hundred two billion, one million, two hundred twenty thousand, two hundred nineteen".