221001020022002 has 8 divisors (see below), whose sum is σ = 361638032763312. Its totient is φ = 100455009100900.

The previous prime is 221001020021959. The next prime is 221001020022043. The reversal of 221001020022002 is 200220020100122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5022750455024 + ... + 5022750455067.

It is an arithmetic number, because the mean of its divisors is an integer number (45204754095414).

Almost surely, 2^{221001020022002} is an apocalyptic number.

221001020022002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221001020022002 is a deficient number, since it is larger than the sum of its proper divisors (140637012741310).

221001020022002 is a wasteful number, since it uses less digits than its factorization.

221001020022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10045500910104.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 221001020022002 its reverse (200220020100122), we get a palindrome (421221040122124).

The spelling of 221001020022002 in words is "two hundred twenty-one trillion, one billion, twenty million, twenty-two thousand, two".