100021022210 has 8 divisors (see below), whose sum is σ = 180037839996. Its totient is φ = 40008408880.

The previous prime is 100021022209. The next prime is 100021022221. The reversal of 100021022210 is 12220120001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 99315110449 + 705911761 = 315143^2 + 26569^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100021022191 and 100021022200.

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 in 3 ways as a sum of consecutive naturals, for example, 5001051101 + ... + 5001051120.

Almost surely, 2^100021022210 is an apocalyptic number.

100021022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100021022210 is a deficient number, since it is larger than the sum of its proper divisors (80016817786).

100021022210 is a wasteful number, since it uses less digits than its factorization.

100021022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10002102228.

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

Adding to 100021022210 its reverse (12220120001), we get a palindrome (112241142211).

The spelling of 100021022210 in words is "one hundred billion, twenty-one million, twenty-two thousand, two hundred ten".