221001001212002 has 16 divisors (see below), whose sum is σ = 364239714232800. Its totient is φ = 99732302703840.

The previous prime is 221001001211959. The next prime is 221001001212029. The reversal of 221001001212002 is 200212100100122.

221001001212002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36134889227 + ... + 36134895342.

It is an arithmetic number, because the mean of its divisors is an integer number (22764982139550).

Almost surely, 2^{221001001212002} is an apocalyptic number.

221001001212002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221001001212002 is a deficient number, since it is larger than the sum of its proper divisors (143238713020798).

221001001212002 is a wasteful number, since it uses less digits than its factorization.

221001001212002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72269784721.

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

Adding to 221001001212002 its reverse (200212100100122), we get a palindrome (421213101312124).

The spelling of 221001001212002 in words is "two hundred twenty-one trillion, one billion, one million, two hundred twelve thousand, two".