11211323210 has 16 divisors (see below), whose sum is σ = 20456826696. Its totient is φ = 4423097088.

The previous prime is 11211323209. The next prime is 11211323287. The reversal of 11211323210 is 1232311211.

It can be written as a sum of positive squares in 4 ways, for example, as 10107688369 + 1103634841 = 100537^2 + 33221^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7678259 + ... + 7679718.

Almost surely, 2^11211323210 is an apocalyptic number.

11211323210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211323210 is a deficient number, since it is larger than the sum of its proper divisors (9245503486).

11211323210 is a wasteful number, since it uses less digits than its factorization.

11211323210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15358057.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11211323210 its reverse (1232311211), we get a palindrome (12443634421).

The spelling of 11211323210 in words is "eleven billion, two hundred eleven million, three hundred twenty-three thousand, two hundred ten".