2220101331 has 16 divisors (see below), whose sum is σ = 3429356544. Its totient is φ = 1251249984.

The previous prime is 2220101329. The next prime is 2220101339. The reversal of 2220101331 is 1331010222.

It is not a de Polignac number, because 2220101331 - 2¹ = 2220101329 is a prime.

It is a super-2 number, since 2×2220101331² = 9857699839815943122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2220101331.

It is not an unprimeable number, because it can be changed into a prime (2220101339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 722571 + ... + 725636.

It is an arithmetic number, because the mean of its divisors is an integer number (214334784).

Almost surely, 2^2220101331 is an apocalyptic number.

2220101331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2220101331 is a deficient number, since it is larger than the sum of its proper divisors (1209255213).

2220101331 is a wasteful number, since it uses less digits than its factorization.

2220101331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448290.

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

The square root of 2220101331 is about 47117.9512606395. The cubic root of 2220101331 is about 1304.5405978254.

Adding to 2220101331 its reverse (1331010222), we get a palindrome (3551111553).

The spelling of 2220101331 in words is "two billion, two hundred twenty million, one hundred one thousand, three hundred thirty-one".