221202230100000 has 144 divisors (see below), whose sum is σ = 725773366031616. Its totient is φ = 58987261280000.

The previous prime is 221202230099933. The next prime is 221202230100031. The reversal of 221202230100000 is 1032202122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 368370384 + ... + 368970383.

It is an arithmetic number, because the mean of its divisors is an integer number (5040092819664).

Almost surely, 2^{221202230100000} is an apocalyptic number.

221202230100000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221202230100000 is an abundant number, since it is smaller than the sum of its proper divisors (504571135931616).

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

221202230100000 is an frugal number, since it uses more digits than its factorization.

221202230100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737340805 (or 737340777 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 221202230100000 its reverse (1032202122), we get a palindrome (221203262302122).

The spelling of 221202230100000 in words is "two hundred twenty-one trillion, two hundred two billion, two hundred thirty million, one hundred thousand".