100021201222 has 8 divisors (see below), whose sum is σ = 154871537472. Its totient is φ = 48397355400.

The previous prime is 100021201157. The next prime is 100021201229. The reversal of 100021201222 is 222102120001.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100021201229) 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 3 ways as a sum of consecutive naturals, for example, 806622529 + ... + 806622652.

It is an arithmetic number, because the mean of its divisors is an integer number (19358942184).

Almost surely, 2^100021201222 is an apocalyptic number.

100021201222 is a deficient number, since it is larger than the sum of its proper divisors (54850336250).

100021201222 is a wasteful number, since it uses less digits than its factorization.

100021201222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613245214.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 100021201222 its reverse (222102120001), we get a palindrome (322123321223).

The spelling of 100021201222 in words is "one hundred billion, twenty-one million, two hundred one thousand, two hundred twenty-two".