221130033333333 has 4 divisors (see below), whose sum is σ = 294840044444448. Its totient is φ = 147420022222220.

The previous prime is 221130033333277. The next prime is 221130033333337. The reversal of 221130033333333 is 333333330031122.

It is a happy number.

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 221130033333333 - 2¹² = 221130033329237 is a prime.

221130033333333 is a modest number, since divided by 33333333 gives 2211300 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 221130033333294 and 221130033333303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221130033333337) 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, 36855005555553 + ... + 36855005555558.

It is an arithmetic number, because the mean of its divisors is an integer number (73710011111112).

Almost surely, 2^{221130033333333} is an apocalyptic number.

It is an amenable number.

221130033333333 is a deficient number, since it is larger than the sum of its proper divisors (73710011111115).

221130033333333 is an equidigital number, since it uses as much as digits as its factorization.

221130033333333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73710011111114.

The product of its (nonzero) digits is 78732, while the sum is 33.

Adding to 221130033333333 its reverse (333333330031122), we get a palindrome (554463363364455).

The spelling of 221130033333333 in words is "two hundred twenty-one trillion, one hundred thirty billion, thirty-three million, three hundred thirty-three thousand, three hundred thirty-three".