221310420002 has 64 divisors (see below), whose sum is σ = 407646134784. Its totient is φ = 88051138560.

The previous prime is 221310419971. The next prime is 221310420073. The reversal of 221310420002 is 200024013122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2504558 + ... + 2591414.

It is an arithmetic number, because the mean of its divisors is an integer number (6369470856).

Almost surely, 2^221310420002 is an apocalyptic number.

221310420002 is a deficient number, since it is larger than the sum of its proper divisors (186335714782).

221310420002 is a wasteful number, since it uses less digits than its factorization.

221310420002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87123.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 221310420002 its reverse (200024013122), we get a palindrome (421334433124).

The spelling of 221310420002 in words is "two hundred twenty-one billion, three hundred ten million, four hundred twenty thousand, two".