221130334052 has 12 divisors (see below), whose sum is σ = 390594702960. Its totient is φ = 109531847496.

The previous prime is 221130334003. The next prime is 221130334063. The reversal of 221130334052 is 250433031122.

It is a happy number.

It is a super-2 number, since 2×221130334052² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258329402 + ... + 258330257.

It is an arithmetic number, because the mean of its divisors is an integer number (32549558580).

Almost surely, 2^221130334052 is an apocalyptic number.

It is an amenable number.

221130334052 is a deficient number, since it is larger than the sum of its proper divisors (169464368908).

221130334052 is a wasteful number, since it uses less digits than its factorization.

221130334052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516659770 (or 516659768 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

Adding to 221130334052 its reverse (250433031122), we get a palindrome (471563365174).

The spelling of 221130334052 in words is "two hundred twenty-one billion, one hundred thirty million, three hundred thirty-four thousand, fifty-two".