221133120033031 has 16 divisors (see below), whose sum is σ = 239243253903360. Its totient is φ = 203763885925600.

The previous prime is 221133120032999. The next prime is 221133120033037. The reversal of 221133120033031 is 130330021331122.

It is a cyclic number.

It is not a de Polignac number, because 221133120033031 - 2⁵ = 221133120032999 is a prime.

It is a super-2 number, since 2×221133120033031² (a number of 29 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 = 221133120032987 and 221133120033005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221133120033037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373896295 + ... + 374487256.

It is an arithmetic number, because the mean of its divisors is an integer number (14952703368960).

Almost surely, 2^{221133120033031} is an apocalyptic number.

221133120033031 is a deficient number, since it is larger than the sum of its proper divisors (18110133870329).

221133120033031 is a wasteful number, since it uses less digits than its factorization.

221133120033031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 748384046.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 221133120033031 its reverse (130330021331122), we get a palindrome (351463141364153).

The spelling of 221133120033031 in words is "two hundred twenty-one trillion, one hundred thirty-three billion, one hundred twenty million, thirty-three thousand, thirty-one".