21302011023133 has 16 divisors (see below), whose sum is σ = 22843733325696. Its totient is φ = 19793991513600.

The previous prime is 21302011023131. The next prime is 21302011023191. The reversal of 21302011023133 is 33132011020312.

It is a cyclic number.

It is not a de Polignac number, because 21302011023133 - 2¹ = 21302011023131 is a prime.

It is a super-2 number, since 2×21302011023133² (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 (21302011023131) 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, 25036816 + ... + 25873657.

It is an arithmetic number, because the mean of its divisors is an integer number (1427733332856).

Almost surely, 2^{21302011023133} is an apocalyptic number.

It is an amenable number.

21302011023133 is a deficient number, since it is larger than the sum of its proper divisors (1541722302563).

21302011023133 is a wasteful number, since it uses less digits than its factorization.

21302011023133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50910804.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21302011023133 its reverse (33132011020312), we get a palindrome (54434022043445).

The spelling of 21302011023133 in words is "twenty-one trillion, three hundred two billion, eleven million, twenty-three thousand, one hundred thirty-three".