100221020212203 has 32 divisors (see below), whose sum is σ = 162072312030720. Its totient is φ = 60702907488480.

The previous prime is 100221020212199. The next prime is 100221020212309. The reversal of 100221020212203 is 302212020122001.

100221020212203 is a `hidden beast` number, since 10 + 0 + 221 + 0 + 20 + 212 + 203 = 666.

It is not a de Polignac number, because 100221020212203 - 2² = 100221020212199 is a prime.

It is a super-2 number, since 2×100221020212203² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100221020212903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102581775 + ... + 103554152.

It is an arithmetic number, because the mean of its divisors is an integer number (5064759750960).

Almost surely, 2^{100221020212203} is an apocalyptic number.

100221020212203 is a deficient number, since it is larger than the sum of its proper divisors (61851291818517).

100221020212203 is a wasteful number, since it uses less digits than its factorization.

100221020212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206137584 (or 206137578 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 100221020212203 its reverse (302212020122001), we get a palindrome (402433040334204).

The spelling of 100221020212203 in words is "one hundred trillion, two hundred twenty-one billion, twenty million, two hundred twelve thousand, two hundred three".