221444403130002 has 32 divisors (see below), whose sum is σ = 476964923738688. Its totient is φ = 68135632600896.

The previous prime is 221444403129919. The next prime is 221444403130021. The reversal of 221444403130002 is 200031304444122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18219853 + ... + 27836160.

It is an arithmetic number, because the mean of its divisors is an integer number (14905153866834).

Almost surely, 2^{221444403130002} is an apocalyptic number.

221444403130002 is an abundant number, since it is smaller than the sum of its proper divisors (255520520608686).

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

221444403130002 is a wasteful number, since it uses less digits than its factorization.

221444403130002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46117674.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 221444403130002 its reverse (200031304444122), we get a palindrome (421475707574124).

The spelling of 221444403130002 in words is "two hundred twenty-one trillion, four hundred forty-four billion, four hundred three million, one hundred thirty thousand, two".