10331220001 has 4 divisors (see below), whose sum is σ = 10332025732. Its totient is φ = 10330414272.

The previous prime is 10331219963. The next prime is 10331220013. The reversal of 10331220001 is 10002213301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3715024401 + 6616195600 = 60951^2 + 81340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10331220001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10331220091) 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, 383316 + ... + 409381.

It is an arithmetic number, because the mean of its divisors is an integer number (2583006433).

Almost surely, 2^10331220001 is an apocalyptic number.

It is an amenable number.

10331220001 is a deficient number, since it is larger than the sum of its proper divisors (805731).

10331220001 is an equidigital number, since it uses as much as digits as its factorization.

10331220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805730.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 10331220001 its reverse (10002213301), we get a palindrome (20333433302).

The spelling of 10331220001 in words is "ten billion, three hundred thirty-one million, two hundred twenty thousand, one".