21102023211033 has 32 divisors (see below), whose sum is σ = 28529537679360. Its totient is φ = 13872679712640.

The previous prime is 21102023210999. The next prime is 21102023211037. The reversal of 21102023211033 is 33011232020112.

It is not a de Polignac number, because 21102023211033 - 2⁸ = 21102023210777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21102023211037) 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, 145668868 + ... + 145813658.

It is an arithmetic number, because the mean of its divisors is an integer number (891548052480).

Almost surely, 2^{21102023211033} is an apocalyptic number.

It is an amenable number.

21102023211033 is a deficient number, since it is larger than the sum of its proper divisors (7427514468327).

21102023211033 is a wasteful number, since it uses less digits than its factorization.

21102023211033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147237.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 21102023211033 its reverse (33011232020112), we get a palindrome (54113255231145).

It can be divided in two parts, 2110202 and 3211033, that added together give a palindrome (5321235).

The spelling of 21102023211033 in words is "twenty-one trillion, one hundred two billion, twenty-three million, two hundred eleven thousand, thirty-three".