21112322033 has 8 divisors (see below), whose sum is σ = 23041065600. Its totient is φ = 19185152080.

The previous prime is 21112322029. The next prime is 21112322039. The reversal of 21112322033 is 33022321112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21112322033 - 2² = 21112322029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21112321996 and 21112322014.

It is not an unprimeable number, because it can be changed into a prime (21112322039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 365258 + ... + 419091.

It is an arithmetic number, because the mean of its divisors is an integer number (2880133200).

Almost surely, 2^21112322033 is an apocalyptic number.

It is an amenable number.

21112322033 is a deficient number, since it is larger than the sum of its proper divisors (1928743567).

21112322033 is a wasteful number, since it uses less digits than its factorization.

21112322033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786807.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21112322033 its reverse (33022321112), we get a palindrome (54134643145).

The spelling of 21112322033 in words is "twenty-one billion, one hundred twelve million, three hundred twenty-two thousand, thirty-three".