203221031220010 has 8 divisors (see below), whose sum is σ = 365797856196036. Its totient is φ = 81288412488000.

The previous prime is 203221031219989. The next prime is 203221031220047. The reversal of 203221031220010 is 10022130122302.

It can be written as a sum of positive squares in 2 ways, for example, as 202915723032801 + 305308187209 = 14244849^2 + 552547^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 203221031220010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10161051560991 + ... + 10161051561010.

Almost surely, 2^{203221031220010} is an apocalyptic number.

203221031220010 is a deficient number, since it is larger than the sum of its proper divisors (162576824976026).

203221031220010 is a wasteful number, since it uses less digits than its factorization.

203221031220010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20322103122008.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 203221031220010 its reverse (10022130122302), we get a palindrome (213243161342312).

The spelling of 203221031220010 in words is "two hundred three trillion, two hundred twenty-one billion, thirty-one million, two hundred twenty thousand, ten".