21133654103 has 8 divisors (see below), whose sum is σ = 21577290000. Its totient is φ = 20694184128.

The previous prime is 21133654099. The next prime is 21133654127. The reversal of 21133654103 is 30145633112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21133654103 - 2² = 21133654099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133654163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031228 + ... + 1051521.

It is an arithmetic number, because the mean of its divisors is an integer number (2697161250).

Almost surely, 2^21133654103 is an apocalyptic number.

21133654103 is a deficient number, since it is larger than the sum of its proper divisors (443635897).

21133654103 is a wasteful number, since it uses less digits than its factorization.

21133654103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082961.

The product of its (nonzero) digits is 6480, while the sum is 29.

The spelling of 21133654103 in words is "twenty-one billion, one hundred thirty-three million, six hundred fifty-four thousand, one hundred three".