21023141103 has 12 divisors (see below), whose sum is σ = 32153039568. Its totient is φ = 13190990400.

The previous prime is 21023141101. The next prime is 21023141119. The reversal of 21023141103 is 30114132012.

21023141103 is a `hidden beast` number, since 21 + 0 + 231 + 411 + 0 + 3 = 666.

It is not a de Polignac number, because 21023141103 - 2¹ = 21023141101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21023141101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68702923 + ... + 68703228.

It is an arithmetic number, because the mean of its divisors is an integer number (2679419964).

Almost surely, 2^21023141103 is an apocalyptic number.

21023141103 is a deficient number, since it is larger than the sum of its proper divisors (11129898465).

21023141103 is a wasteful number, since it uses less digits than its factorization.

21023141103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137406174 (or 137406171 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 21023141103 its reverse (30114132012), we get a palindrome (51137273115).

Subtracting 21023141103 from its reverse (30114132012), we obtain a palindrome (9090990909).

The spelling of 21023141103 in words is "twenty-one billion, twenty-three million, one hundred forty-one thousand, one hundred three".