221122112033 has 4 divisors (see below), whose sum is σ = 230736116928. Its totient is φ = 211508107140.

The previous prime is 221122112021. The next prime is 221122112051. The reversal of 221122112033 is 330211221122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221122112033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221122111996 and 221122112014.

It is not an unprimeable number, because it can be changed into a prime (221122112333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4807002413 + ... + 4807002458.

It is an arithmetic number, because the mean of its divisors is an integer number (57684029232).

Almost surely, 2^221122112033 is an apocalyptic number.

221122112033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

221122112033 is a deficient number, since it is larger than the sum of its proper divisors (9614004895).

221122112033 is an equidigital number, since it uses as much as digits as its factorization.

221122112033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9614004894.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 221122112033 its reverse (330211221122), we get a palindrome (551333333155).

The spelling of 221122112033 in words is "two hundred twenty-one billion, one hundred twenty-two million, one hundred twelve thousand, thirty-three".