221132213032 has 32 divisors (see below), whose sum is σ = 436629175200. Its totient is φ = 104702673600.

The previous prime is 221132213021. The next prime is 221132213033. The reversal of 221132213032 is 230312231122.

It is a junction number, because it is equal to n+sod(n) for n = 221132212994 and 221132213012.

It is not an unprimeable number, because it can be changed into a prime (221132213033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56407 + ... + 667417.

It is an arithmetic number, because the mean of its divisors is an integer number (13644661725).

Almost surely, 2^221132213032 is an apocalyptic number.

It is an amenable number.

221132213032 is a deficient number, since it is larger than the sum of its proper divisors (215496962168).

221132213032 is a wasteful number, since it uses less digits than its factorization.

221132213032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613417 (or 613413 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 221132213032 its reverse (230312231122), we get a palindrome (451444444154).

The spelling of 221132213032 in words is "two hundred twenty-one billion, one hundred thirty-two million, two hundred thirteen thousand, thirty-two".