21112321033133 has 8 divisors (see below), whose sum is σ = 23032321628736. Its totient is φ = 19192436884800.

The previous prime is 21112321033109. The next prime is 21112321033157. The reversal of 21112321033133 is 33133012321112.

It is an interprime number because it is at equal distance from previous prime (21112321033109) and next prime (21112321033157).

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 21112321033133 - 2²² = 21112316838829 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 (21112321033933) 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, 28732508 + ... + 29458133.

It is an arithmetic number, because the mean of its divisors is an integer number (2879040203592).

Almost surely, 2^{21112321033133} is an apocalyptic number.

It is an amenable number.

21112321033133 is a deficient number, since it is larger than the sum of its proper divisors (1920000595603).

21112321033133 is a wasteful number, since it uses less digits than its factorization.

21112321033133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58223635.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 21112321033133 its reverse (33133012321112), we get a palindrome (54245333354245).

The spelling of 21112321033133 in words is "twenty-one trillion, one hundred twelve billion, three hundred twenty-one million, thirty-three thousand, one hundred thirty-three".