221312110323003 has 32 divisors (see below), whose sum is σ = 340161798316032. Its totient is φ = 125369440154400.

The previous prime is 221312110322977. The next prime is 221312110323019. The reversal of 221312110323003 is 300323011213122.

221312110323003 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 221312110323003 - 2⁶ = 221312110322939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221312110323043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38754051 + ... + 44096492.

It is an arithmetic number, because the mean of its divisors is an integer number (10630056197376).

Almost surely, 2^{221312110323003} is an apocalyptic number.

221312110323003 is a deficient number, since it is larger than the sum of its proper divisors (118849687993029).

221312110323003 is a wasteful number, since it uses less digits than its factorization.

221312110323003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82851655.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 221312110323003 its reverse (300323011213122), we get a palindrome (521635121536125).

The spelling of 221312110323003 in words is "two hundred twenty-one trillion, three hundred twelve billion, one hundred ten million, three hundred twenty-three thousand, three".