100221212202010 has 16 divisors (see below), whose sum is σ = 180401875063200. Its totient is φ = 40087664192016.

The previous prime is 100221212201983. The next prime is 100221212202019. The reversal of 100221212202010 is 10202212122001.

It is a happy number.

It is a super-2 number, since 2×100221212202010² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100221212202019) 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, 102073080 + ... + 103050259.

It is an arithmetic number, because the mean of its divisors is an integer number (11275117191450).

Almost surely, 2^{100221212202010} is an apocalyptic number.

100221212202010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100221212202010 is a deficient number, since it is larger than the sum of its proper divisors (80180662861190).

100221212202010 is a wasteful number, since it uses less digits than its factorization.

100221212202010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205172205.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100221212202010 its reverse (10202212122001), we get a palindrome (110423424324011).

The spelling of 100221212202010 in words is "one hundred trillion, two hundred twenty-one billion, two hundred twelve million, two hundred two thousand, ten".