100021212203 has 8 divisors (see below), whose sum is σ = 109181715696. Its totient is φ = 90871986400.

The previous prime is 100021212167. The next prime is 100021212281. The reversal of 100021212203 is 302212120001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 100021212203 - 2⁶ = 100021212139 is a prime.

It is a super-2 number, since 2×100021212203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100021218203) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2800868 + ... + 2836353.

It is an arithmetic number, because the mean of its divisors is an integer number (13647714462).

Almost surely, 2^100021212203 is an apocalyptic number.

100021212203 is a deficient number, since it is larger than the sum of its proper divisors (9160503493).

100021212203 is a wasteful number, since it uses less digits than its factorization.

100021212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5638845.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 100021212203 its reverse (302212120001), we get a palindrome (402233332204).

The spelling of 100021212203 in words is "one hundred billion, twenty-one million, two hundred twelve thousand, two hundred three".