221130333011 has 12 divisors (see below), whose sum is σ = 259730660592. Its totient is φ = 187700084208.

The previous prime is 221130332971. The next prime is 221130333029. The reversal of 221130333011 is 110333031122.

It is not a de Polignac number, because 221130333011 - 2²² = 221126138707 is a prime.

It is a super-2 number, since 2×221130333011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221130333091) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21902060 + ... + 21912153.

It is an arithmetic number, because the mean of its divisors is an integer number (21644221716).

Almost surely, 2^221130333011 is an apocalyptic number.

221130333011 is a deficient number, since it is larger than the sum of its proper divisors (38600327581).

221130333011 is a wasteful number, since it uses less digits than its factorization.

221130333011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43814330 (or 43814323 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 221130333011 its reverse (110333031122), we get a palindrome (331463364133).

The spelling of 221130333011 in words is "two hundred twenty-one billion, one hundred thirty million, three hundred thirty-three thousand, eleven".