21700733103 has 24 divisors (see below), whose sum is σ = 36410708256. Its totient is φ = 12197131200.

The previous prime is 21700733083. The next prime is 21700733107. The reversal of 21700733103 is 30133700712.

It is not a de Polignac number, because 21700733103 - 2¹⁶ = 21700667567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21700733107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2819568 + ... + 2827253.

It is an arithmetic number, because the mean of its divisors is an integer number (1517112844).

Almost surely, 2^21700733103 is an apocalyptic number.

21700733103 is a deficient number, since it is larger than the sum of its proper divisors (14709975153).

21700733103 is a wasteful number, since it uses less digits than its factorization.

21700733103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5646895 (or 5646892 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

The spelling of 21700733103 in words is "twenty-one billion, seven hundred million, seven hundred thirty-three thousand, one hundred three".