102021200102 has 8 divisors (see below), whose sum is σ = 153034109256. Its totient is φ = 51009830352.

The previous prime is 102021200101. The next prime is 102021200111. The reversal of 102021200102 is 201002120201.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102021200101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201743 + ... + 494714.

It is an arithmetic number, because the mean of its divisors is an integer number (19129263657).

Almost surely, 2^102021200102 is an apocalyptic number.

102021200102 is a deficient number, since it is larger than the sum of its proper divisors (51012909154).

102021200102 is an equidigital number, since it uses as much as digits as its factorization.

102021200102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 769702.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 102021200102 its reverse (201002120201), we get a palindrome (303023320303).

The spelling of 102021200102 in words is "one hundred two billion, twenty-one million, two hundred thousand, one hundred two".