102402201919 has 8 divisors (see below), whose sum is σ = 107728794000. Its totient is φ = 97195308672.

The previous prime is 102402201899. The next prime is 102402201931. The reversal of 102402201919 is 919102204201.

It is a happy number.

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

It is not a de Polignac number, because 102402201919 - 2¹⁷ = 102402070847 is a prime.

It is a super-2 number, since 2×102402201919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102402201949) 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, 29922954 + ... + 29926375.

It is an arithmetic number, because the mean of its divisors is an integer number (13466099250).

Almost surely, 2^102402201919 is an apocalyptic number.

102402201919 is a deficient number, since it is larger than the sum of its proper divisors (5326592081).

102402201919 is an equidigital number, since it uses as much as digits as its factorization.

102402201919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59849417.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 102402201919 in words is "one hundred two billion, four hundred two million, two hundred one thousand, nine hundred nineteen".