100021120102 has 4 divisors (see below), whose sum is σ = 150031680156. Its totient is φ = 50010560050.

The previous prime is 100021120099. The next prime is 100021120169. The reversal of 100021120102 is 201021120001.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25005280024 + ... + 25005280027.

It is an arithmetic number, because the mean of its divisors is an integer number (37507920039).

Almost surely, 2^100021120102 is an apocalyptic number.

100021120102 is a deficient number, since it is larger than the sum of its proper divisors (50010560054).

100021120102 is an equidigital number, since it uses as much as digits as its factorization.

100021120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50010560053.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100021120102 its reverse (201021120001), we get a palindrome (301042240103).

The spelling of 100021120102 in words is "one hundred billion, twenty-one million, one hundred twenty thousand, one hundred two".