102021100010 has 8 divisors (see below), whose sum is σ = 183637980036. Its totient is φ = 40808440000.

The previous prime is 102021100007. The next prime is 102021100021. The reversal of 102021100010 is 10001120201.

It can be written as a sum of positive squares in 2 ways, for example, as 94146489889 + 7874610121 = 306833^2 + 88739^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5101054991 + ... + 5101055010.

Almost surely, 2^102021100010 is an apocalyptic number.

102021100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102021100010 is a deficient number, since it is larger than the sum of its proper divisors (81616880026).

102021100010 is a wasteful number, since it uses less digits than its factorization.

102021100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10202110008.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 102021100010 its reverse (10001120201), we get a palindrome (112022220211).

The spelling of 102021100010 in words is "one hundred two billion, twenty-one million, one hundred thousand, ten".