10331432221 has 8 divisors (see below), whose sum is σ = 11406445344. Its totient is φ = 9279051120.

The previous prime is 10331432213. The next prime is 10331432233. The reversal of 10331432221 is 12223413301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10331432221 - 2³ = 10331432213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10331432192 and 10331432201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10331432921) 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, 5657046 + ... + 5658871.

It is an arithmetic number, because the mean of its divisors is an integer number (1425805668).

Almost surely, 2^10331432221 is an apocalyptic number.

10331432221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10331432221 is a deficient number, since it is larger than the sum of its proper divisors (1075013123).

10331432221 is a wasteful number, since it uses less digits than its factorization.

10331432221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11316011.

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

Adding to 10331432221 its reverse (12223413301), we get a palindrome (22554845522).

The spelling of 10331432221 in words is "ten billion, three hundred thirty-one million, four hundred thirty-two thousand, two hundred twenty-one".