11520421224333 has 32 divisors (see below), whose sum is σ = 17590171517952. Its totient is φ = 6569890560000.

The previous prime is 11520421224311. The next prime is 11520421224343. The reversal of 11520421224333 is 33342212402511.

It is a happy number.

It is not a de Polignac number, because 11520421224333 - 2⁸ = 11520421224077 is a prime.

It is a super-2 number, since 2×11520421224333² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11520421224294 and 11520421224303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520421224343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30110610 + ... + 30490812.

It is an arithmetic number, because the mean of its divisors is an integer number (549692859936).

Almost surely, 2^{11520421224333} is an apocalyptic number.

It is an amenable number.

11520421224333 is a deficient number, since it is larger than the sum of its proper divisors (6069750293619).

11520421224333 is a wasteful number, since it uses less digits than its factorization.

11520421224333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383105.

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 11520421224333 its reverse (33342212402511), we get a palindrome (44862633626844).

The spelling of 11520421224333 in words is "eleven trillion, five hundred twenty billion, four hundred twenty-one million, two hundred twenty-four thousand, three hundred thirty-three".