11033233112421 has 64 divisors (see below), whose sum is σ = 17637477580800. Its totient is φ = 6776343401472.

The previous prime is 11033233112417. The next prime is 11033233112423. The reversal of 11033233112421 is 12421133233011.

11033233112421 is a `hidden beast` number, since 1 + 1 + 0 + 3 + 3 + 233 + 1 + 1 + 2 + 421 = 666.

It is not a de Polignac number, because 11033233112421 - 2² = 11033233112417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11033233112423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1278618135 + ... + 1278626763.

It is an arithmetic number, because the mean of its divisors is an integer number (275585587200).

Almost surely, 2^{11033233112421} is an apocalyptic number.

It is an amenable number.

11033233112421 is a deficient number, since it is larger than the sum of its proper divisors (6604244468379).

11033233112421 is a wasteful number, since it uses less digits than its factorization.

11033233112421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15387 (or 15381 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

Adding to 11033233112421 its reverse (12421133233011), we get a palindrome (23454366345432).

The spelling of 11033233112421 in words is "eleven trillion, thirty-three billion, two hundred thirty-three million, one hundred twelve thousand, four hundred twenty-one".