120023221133 has 4 divisors (see below), whose sum is σ = 120285854460. Its totient is φ = 119760587808.

The previous prime is 120023221111. The next prime is 120023221147. The reversal of 120023221133 is 331122320021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67390602409 + 52632618724 = 259597^2 + 229418^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120023221133 is a prime.

It is a super-2 number, since 2×120023221133² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120023221163) 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, 131315978 + ... + 131316891.

It is an arithmetic number, because the mean of its divisors is an integer number (30071463615).

Almost surely, 2^120023221133 is an apocalyptic number.

It is an amenable number.

120023221133 is a deficient number, since it is larger than the sum of its proper divisors (262633327).

120023221133 is an equidigital number, since it uses as much as digits as its factorization.

120023221133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262633326.

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

Adding to 120023221133 its reverse (331122320021), we get a palindrome (451145541154).

The spelling of 120023221133 in words is "one hundred twenty billion, twenty-three million, two hundred twenty-one thousand, one hundred thirty-three".