21110101233323 has 16 divisors (see below), whose sum is σ = 22027566595680. Its totient is φ = 20205950343936.

The previous prime is 21110101233251. The next prime is 21110101233341. The reversal of 21110101233323 is 32333210101112.

It is not a de Polignac number, because 21110101233323 - 2⁴⁰ = 20010589605547 is a prime.

It is a super-2 number, since 2×21110101233323² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21110101233343) 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, 4322090 + ... + 7803887.

It is an arithmetic number, because the mean of its divisors is an integer number (1376722912230).

Almost surely, 2^{21110101233323} is an apocalyptic number.

21110101233323 is a deficient number, since it is larger than the sum of its proper divisors (917465362357).

21110101233323 is a wasteful number, since it uses less digits than its factorization.

21110101233323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12126526.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 21110101233323 its reverse (32333210101112), we get a palindrome (53443311334435).

The spelling of 21110101233323 in words is "twenty-one trillion, one hundred ten billion, one hundred one million, two hundred thirty-three thousand, three hundred twenty-three".