11232121210 has 32 divisors (see below), whose sum is σ = 20287713600. Its totient is φ = 4477347840.

The previous prime is 11232121207. The next prime is 11232121211. The reversal of 11232121210 is 1212123211.

It is a super-2 number, since 2×11232121210² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11232121211) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4222861 + ... + 4225519.

It is an arithmetic number, because the mean of its divisors is an integer number (633991050).

Almost surely, 2^11232121210 is an apocalyptic number.

11232121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11232121210 is a deficient number, since it is larger than the sum of its proper divisors (9055592390).

11232121210 is a wasteful number, since it uses less digits than its factorization.

11232121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 11232121210 its reverse (1212123211), we get a palindrome (12444244421).

The spelling of 11232121210 in words is "eleven billion, two hundred thirty-two million, one hundred twenty-one thousand, two hundred ten".