21033030003133 has 16 divisors (see below), whose sum is σ = 21660099520576. Its totient is φ = 20412240226560.

The previous prime is 21033030003131. The next prime is 21033030003143. The reversal of 21033030003133 is 33130003033012.

It is a cyclic number.

It is not a de Polignac number, because 21033030003133 - 2¹ = 21033030003131 is a prime.

It is a super-2 number, since 2×21033030003133² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21033030003131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247658485 + ... + 247743397.

It is an arithmetic number, because the mean of its divisors is an integer number (1353756220036).

Almost surely, 2^{21033030003133} is an apocalyptic number.

It is an amenable number.

21033030003133 is a deficient number, since it is larger than the sum of its proper divisors (627069517443).

21033030003133 is a wasteful number, since it uses less digits than its factorization.

21033030003133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121804.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 21033030003133 its reverse (33130003033012), we get a palindrome (54163033036145).

The spelling of 21033030003133 in words is "twenty-one trillion, thirty-three billion, thirty million, three thousand, one hundred thirty-three".