1221120033233 has 8 divisors (see below), whose sum is σ = 1228111526880. Its totient is φ = 1214130424320.

The previous prime is 1221120033229. The next prime is 1221120033239. The reversal of 1221120033233 is 3323300211221.

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 1221120033233 - 2² = 1221120033229 is a prime.

It is a super-2 number, since 2×1221120033233² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1221120033199 and 1221120033208.

It is not an unprimeable number, because it can be changed into a prime (1221120033239) 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, 838718 + ... + 1773608.

It is an arithmetic number, because the mean of its divisors is an integer number (153513940860).

Almost surely, 2^{1221120033233} is an apocalyptic number.

It is an amenable number.

1221120033233 is a deficient number, since it is larger than the sum of its proper divisors (6991493647).

1221120033233 is an equidigital number, since it uses as much as digits as its factorization.

1221120033233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942367.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1221120033233 its reverse (3323300211221), we get a palindrome (4544420244454).

The spelling of 1221120033233 in words is "one trillion, two hundred twenty-one billion, one hundred twenty million, thirty-three thousand, two hundred thirty-three".