21002033321113 has 16 divisors (see below), whose sum is σ = 22649079188736. Its totient is φ = 19359491328000.

The previous prime is 21002033321111. The next prime is 21002033321131. The reversal of 21002033321113 is 31112333020012.

It is a cyclic number.

It is not a de Polignac number, because 21002033321113 - 2¹ = 21002033321111 is a prime.

It is a super-2 number, since 2×21002033321113² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21002033321111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186153306 + ... + 186266092.

It is an arithmetic number, because the mean of its divisors is an integer number (1415567449296).

Almost surely, 2^{21002033321113} is an apocalyptic number.

It is an amenable number.

21002033321113 is a deficient number, since it is larger than the sum of its proper divisors (1647045867623).

21002033321113 is a wasteful number, since it uses less digits than its factorization.

21002033321113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132624.

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

Adding to 21002033321113 its reverse (31112333020012), we get a palindrome (52114366341125).

The spelling of 21002033321113 in words is "twenty-one trillion, two billion, thirty-three million, three hundred twenty-one thousand, one hundred thirteen".