100221012221000 has 128 divisors (see below), whose sum is σ = 258711485760000. Its totient is φ = 36034520896000.

The previous prime is 100221012220943. The next prime is 100221012221047. The reversal of 100221012221000 is 122210122001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50206400 + ... + 52164399.

It is an arithmetic number, because the mean of its divisors is an integer number (2021183482500).

Almost surely, 2^{100221012221000} is an apocalyptic number.

100221012221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100221012221000 is an abundant number, since it is smaller than the sum of its proper divisors (158490473539000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100221012221000 is a wasteful number, since it uses less digits than its factorization.

100221012221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102370920 (or 102370906 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100221012221000 its reverse (122210122001), we get a palindrome (100343222343001).

The spelling of 100221012221000 in words is "one hundred trillion, two hundred twenty-one billion, twelve million, two hundred twenty-one thousand".