221200101322002 has 48 divisors (see below), whose sum is σ = 529998748407648. Its totient is φ = 66112109979840.

The previous prime is 221200101321943. The next prime is 221200101322091. The reversal of 221200101322002 is 200223101002122.

221200101322002 is a `hidden beast` number, since 221 + 20 + 0 + 101 + 322 + 0 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7651850128 + ... + 7651879035.

It is an arithmetic number, because the mean of its divisors is an integer number (11041640591826).

Almost surely, 2^{221200101322002} is an apocalyptic number.

221200101322002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221200101322002 is an abundant number, since it is smaller than the sum of its proper divisors (308798647085646).

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

221200101322002 is a wasteful number, since it uses less digits than its factorization.

221200101322002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15303729255 (or 15303729252 counting only the distinct ones).

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

Adding to 221200101322002 its reverse (200223101002122), we get a palindrome (421423202324124).

The spelling of 221200101322002 in words is "two hundred twenty-one trillion, two hundred billion, one hundred one million, three hundred twenty-two thousand, two".