10332120021 has 4 divisors (see below), whose sum is σ = 13776160032. Its totient is φ = 6888080012.

The previous prime is 10332120017. The next prime is 10332120041. The reversal of 10332120021 is 12002123301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10332120021 - 2² = 10332120017 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10332120041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1722020001 + ... + 1722020006.

It is an arithmetic number, because the mean of its divisors is an integer number (3444040008).

Almost surely, 2^10332120021 is an apocalyptic number.

It is an amenable number.

10332120021 is a deficient number, since it is larger than the sum of its proper divisors (3444040011).

10332120021 is an equidigital number, since it uses as much as digits as its factorization.

10332120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444040010.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10332120021 its reverse (12002123301), we get a palindrome (22334243322).

The spelling of 10332120021 in words is "ten billion, three hundred thirty-two million, one hundred twenty thousand, twenty-one".