100000212221000 has 256 divisors, whose sum is σ = 293434599144960. Its totient is φ = 31051277337600.

The previous prime is 100000212220973. The next prime is 100000212221051. The reversal of 100000212221000 is 122212000001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5544014 + ... + 15190013.

It is an arithmetic number, because the mean of its divisors is an integer number (1146228902910).

Almost surely, 2^{100000212221000} is an apocalyptic number.

100000212221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100000212221000 is an abundant number, since it is smaller than the sum of its proper divisors (193434386923960).

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

100000212221000 is a wasteful number, since it uses less digits than its factorization.

100000212221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20734121 (or 20734107 counting only the distinct ones).

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

Adding to 100000212221000 its reverse (122212000001), we get a palindrome (100122424221001).

The spelling of 100000212221000 in words is "one hundred trillion, two hundred twelve million, two hundred twenty-one thousand".