2001211322 has 16 divisors (see below), whose sum is σ = 3275763552. Its totient is φ = 909348720.

The previous prime is 2001211313. The next prime is 2001211327. The reversal of 2001211322 is 2231121002.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2001211297 and 2001211306.

It is not an unprimeable number, because it can be changed into a prime (2001211327) 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, 64853 + ... + 90599.

It is an arithmetic number, because the mean of its divisors is an integer number (204735222).

Almost surely, 2^2001211322 is an apocalyptic number.

2001211322 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2001211322 is a deficient number, since it is larger than the sum of its proper divisors (1274552230).

2001211322 is a wasteful number, since it uses less digits than its factorization.

2001211322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29293.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2001211322 is about 44734.9004916743. The cubic root of 2001211322 is about 1260.1753602408.

Adding to 2001211322 its reverse (2231121002), we get a palindrome (4232332324).

The spelling of 2001211322 in words is "two billion, one million, two hundred eleven thousand, three hundred twenty-two".