221400112303 has 16 divisors (see below), whose sum is σ = 232756745760. Its totient is φ = 210329917056.

The previous prime is 221400112261. The next prime is 221400112321. The reversal of 221400112303 is 303211004122.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221400112303 is a prime.

It is a super-3 number, since 3×221400112303³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221400112333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4604301 + ... + 4652137.

It is an arithmetic number, because the mean of its divisors is an integer number (14547296610).

Almost surely, 2^221400112303 is an apocalyptic number.

221400112303 is a deficient number, since it is larger than the sum of its proper divisors (11356633457).

221400112303 is a wasteful number, since it uses less digits than its factorization.

221400112303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50826.

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

Adding to 221400112303 its reverse (303211004122), we get a palindrome (524611116425).

The spelling of 221400112303 in words is "two hundred twenty-one billion, four hundred million, one hundred twelve thousand, three hundred three".