21110023124133 has 8 divisors (see below), whose sum is σ = 28146818833728. Its totient is φ = 14073288081984.

The previous prime is 21110023124117. The next prime is 21110023124137. The reversal of 21110023124133 is 33142132001112.

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

It is not a de Polignac number, because 21110023124133 - 2⁴ = 21110023124117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21110023124137) 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, 14348641 + ... + 15751302.

It is an arithmetic number, because the mean of its divisors is an integer number (3518352354216).

Almost surely, 2^{21110023124133} is an apocalyptic number.

It is an amenable number.

21110023124133 is a deficient number, since it is larger than the sum of its proper divisors (7036795709595).

21110023124133 is a wasteful number, since it uses less digits than its factorization.

21110023124133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30333723.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 21110023124133 its reverse (33142132001112), we get a palindrome (54252155125245).

The spelling of 21110023124133 in words is "twenty-one trillion, one hundred ten billion, twenty-three million, one hundred twenty-four thousand, one hundred thirty-three".