21000133302133 has 8 divisors (see below), whose sum is σ = 22274929827648. Its totient is φ = 19729725061824.

The previous prime is 21000133302107. The next prime is 21000133302199. The reversal of 21000133302133 is 33120333100012.

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 21000133302133 - 2⁵ = 21000133302101 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 (21000133302433) 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, 1097061441 + ... + 1097080582.

It is an arithmetic number, because the mean of its divisors is an integer number (2784366228456).

Almost surely, 2^{21000133302133} is an apocalyptic number.

It is an amenable number.

21000133302133 is a deficient number, since it is larger than the sum of its proper divisors (1274796525515).

21000133302133 is a wasteful number, since it uses less digits than its factorization.

21000133302133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2194142603.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 21000133302133 its reverse (33120333100012), we get a palindrome (54120466402145).

The spelling of 21000133302133 in words is "twenty-one trillion, one hundred thirty-three million, three hundred two thousand, one hundred thirty-three".