19210200102 has 24 divisors (see below), whose sum is σ = 42123574584. Its totient is φ = 6326250144.

The previous prime is 19210200083. The next prime is 19210200103. The reversal of 19210200102 is 20100201291.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19210200103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6427623 + ... + 6430610.

It is an arithmetic number, because the mean of its divisors is an integer number (1755148941).

Almost surely, 2^19210200102 is an apocalyptic number.

19210200102 is an abundant number, since it is smaller than the sum of its proper divisors (22913374482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19210200102 is a wasteful number, since it uses less digits than its factorization.

19210200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12858324 (or 12858321 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 19210200102 its reverse (20100201291), we get a palindrome (39310401393).

The spelling of 19210200102 in words is "nineteen billion, two hundred ten million, two hundred thousand, one hundred two".