21120062433 has 16 divisors (see below), whose sum is σ = 28311244800. Its totient is φ = 14004509904.

The previous prime is 21120062419. The next prime is 21120062459. The reversal of 21120062433 is 33426002112.

It is not a de Polignac number, because 21120062433 - 2⁴ = 21120062417 is a prime.

It is a super-3 number, since 3×21120062433³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21120062473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2995210 + ... + 3002252.

It is an arithmetic number, because the mean of its divisors is an integer number (1769452800).

Almost surely, 2^21120062433 is an apocalyptic number.

It is an amenable number.

21120062433 is a deficient number, since it is larger than the sum of its proper divisors (7191182367).

21120062433 is a wasteful number, since it uses less digits than its factorization.

21120062433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12268.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 21120062433 its reverse (33426002112), we get a palindrome (54546064545).

The spelling of 21120062433 in words is "twenty-one billion, one hundred twenty million, sixty-two thousand, four hundred thirty-three".