21110233323003 has 32 divisors (see below), whose sum is σ = 32322300149760. Its totient is φ = 12120553700640.

The previous prime is 21110233322999. The next prime is 21110233323013. The reversal of 21110233323003 is 30032333201112.

It is not a de Polignac number, because 21110233323003 - 2² = 21110233322999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21110233323013) 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, 64683450 + ... + 65008992.

It is an arithmetic number, because the mean of its divisors is an integer number (1010071879680).

Almost surely, 2^{21110233323003} is an apocalyptic number.

21110233323003 is a deficient number, since it is larger than the sum of its proper divisors (11212066826757).

21110233323003 is a wasteful number, since it uses less digits than its factorization.

21110233323003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428999.

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 21110233323003 its reverse (30032333201112), we get a palindrome (51142566524115).

The spelling of 21110233323003 in words is "twenty-one trillion, one hundred ten billion, two hundred thirty-three million, three hundred twenty-three thousand, three".