221001255200734 has 16 divisors (see below), whose sum is σ = 333364830798672. Its totient is φ = 109880144322048.

The previous prime is 221001255200681. The next prime is 221001255200749. The reversal of 221001255200734 is 437002552100122.

It is a self number, because there is not a number n which added to its sum of digits gives 221001255200734.

It is a congruent number.

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, 123960544 + ... + 125730739.

It is an arithmetic number, because the mean of its divisors is an integer number (20835301924917).

Almost surely, 2^{221001255200734} is an apocalyptic number.

221001255200734 is a deficient number, since it is larger than the sum of its proper divisors (112363575597938).

221001255200734 is a wasteful number, since it uses less digits than its factorization.

221001255200734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249693771.

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 221001255200734 in words is "two hundred twenty-one trillion, one billion, two hundred fifty-five million, two hundred thousand, seven hundred thirty-four".