100021100212 has 12 divisors (see below), whose sum is σ = 190949373216. Its totient is φ = 45464136440.

The previous prime is 100021100203. The next prime is 100021100269. The reversal of 100021100212 is 212001120001.

It is a congruent number.

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, 1136603368 + ... + 1136603455.

It is an arithmetic number, because the mean of its divisors is an integer number (15912447768).

Almost surely, 2^100021100212 is an apocalyptic number.

It is an amenable number.

100021100212 is a deficient number, since it is larger than the sum of its proper divisors (90928273004).

100021100212 is a wasteful number, since it uses less digits than its factorization.

100021100212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273206838 (or 2273206836 counting only the distinct ones).

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

Adding to 100021100212 its reverse (212001120001), we get a palindrome (312022220213).

The spelling of 100021100212 in words is "one hundred billion, twenty-one million, one hundred thousand, two hundred twelve".