10211220331 has 8 divisors (see below), whose sum is σ = 11575472720. Its totient is φ = 8929649952.

The previous prime is 10211220319. The next prime is 10211220343. The reversal of 10211220331 is 13302211201.

10211220331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10211220319) and next prime (10211220343).

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 10211220331 - 2⁹ = 10211219819 is a prime.

It is a super-2 number, since 2×10211220331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10211220301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20670240 + ... + 20670733.

It is an arithmetic number, because the mean of its divisors is an integer number (1446934090).

Almost surely, 2^10211220331 is an apocalyptic number.

10211220331 is a deficient number, since it is larger than the sum of its proper divisors (1364252389).

10211220331 is a wasteful number, since it uses less digits than its factorization.

10211220331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41341005.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 10211220331 its reverse (13302211201), we get a palindrome (23513431532).

The spelling of 10211220331 in words is "ten billion, two hundred eleven million, two hundred twenty thousand, three hundred thirty-one".