21102023211032 has 32 divisors (see below), whose sum is σ = 41393693718720. Its totient is φ = 10074655599360.

The previous prime is 21102023210999. The next prime is 21102023211037. The reversal of 21102023211032 is 23011232020112.

It is a junction number, because it is equal to n+sod(n) for n = 21102023210995 and 21102023211013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21102023211037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 684404123 + ... + 684434954.

It is an arithmetic number, because the mean of its divisors is an integer number (1293552928710).

Almost surely, 2^{21102023211032} is an apocalyptic number.

It is an amenable number.

21102023211032 is a deficient number, since it is larger than the sum of its proper divisors (20291670507688).

21102023211032 is a wasteful number, since it uses less digits than its factorization.

21102023211032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368839171 (or 1368839167 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21102023211032 its reverse (23011232020112), we get a palindrome (44113255231144).

The spelling of 21102023211032 in words is "twenty-one trillion, one hundred two billion, twenty-three million, two hundred eleven thousand, thirty-two".