221231230130033 has 4 divisors (see below), whose sum is σ = 221299113296880. Its totient is φ = 221163346963188.

The previous prime is 221231230130023. The next prime is 221231230130059. The reversal of 221231230130033 is 330031032132122.

221231230130033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 221231230130033 - 2⁴ = 221231230130017 is a prime.

It is a super-3 number, since 3×221231230130033³ (a number of 44 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221231230129984 and 221231230130011.

It is not an unprimeable number, because it can be changed into a prime (221231230130023) 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, 33941578535 + ... + 33941585052.

It is an arithmetic number, because the mean of its divisors is an integer number (55324778324220).

Almost surely, 2^{221231230130033} is an apocalyptic number.

It is an amenable number.

221231230130033 is a deficient number, since it is larger than the sum of its proper divisors (67883166847).

221231230130033 is an equidigital number, since it uses as much as digits as its factorization.

221231230130033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67883166846.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 221231230130033 its reverse (330031032132122), we get a palindrome (551262262262155).

The spelling of 221231230130033 in words is "two hundred twenty-one trillion, two hundred thirty-one billion, two hundred thirty million, one hundred thirty thousand, thirty-three".