100220012021 has 8 divisors (see below), whose sum is σ = 106009972800. Its totient is φ = 94549432032.

The previous prime is 100220011999. The next prime is 100220012023. The reversal of 100220012021 is 120210022001.

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 100220012021 - 2¹⁰ = 100220010997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100220011993 and 100220012011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100220012023) 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, 29843471 + ... + 29846828.

It is an arithmetic number, because the mean of its divisors is an integer number (13251246600).

Almost surely, 2^100220012021 is an apocalyptic number.

It is an amenable number.

100220012021 is a deficient number, since it is larger than the sum of its proper divisors (5789960779).

100220012021 is an equidigital number, since it uses as much as digits as its factorization.

100220012021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59690395.

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

Adding to 100220012021 its reverse (120210022001), we get a palindrome (220430034022).

The spelling of 100220012021 in words is "one hundred billion, two hundred twenty million, twelve thousand, twenty-one".