1011221032 has 8 divisors (see below), whose sum is σ = 1896039450. Its totient is φ = 505610512.

The previous prime is 1011221011. The next prime is 1011221033. The reversal of 1011221032 is 2301221101.

It can be written as a sum of positive squares in only one way, i.e., 955180836 + 56040196 = 30906^2 + 7486^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1011221033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63201307 + ... + 63201322.

Almost surely, 2^1011221032 is an apocalyptic number.

It is an amenable number.

1011221032 is a deficient number, since it is larger than the sum of its proper divisors (884818418).

1011221032 is a wasteful number, since it uses less digits than its factorization.

1011221032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126402635 (or 126402631 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 1011221032 is about 31799.7017596077. The cubic root of 1011221032 is about 1003.7264403931.

Adding to 1011221032 its reverse (2301221101), we get a palindrome (3312442133).

The spelling of 1011221032 in words is "one billion, eleven million, two hundred twenty-one thousand, thirty-two".