11121311210 has 32 divisors (see below), whose sum is σ = 21609037440. Its totient is φ = 4108379968.

The previous prime is 11121311207. The next prime is 11121311231. The reversal of 11121311210 is 1211312111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 827012 + ... + 840351.

It is an arithmetic number, because the mean of its divisors is an integer number (675282420).

Almost surely, 2^11121311210 is an apocalyptic number.

11121311210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121311210 is a deficient number, since it is larger than the sum of its proper divisors (10487726230).

11121311210 is a wasteful number, since it uses less digits than its factorization.

11121311210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667422.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11121311210 its reverse (1211312111), we get a palindrome (12332623321).

Subtracting from 11121311210 its reverse (1211312111), we obtain a palindrome (9909999099).

The spelling of 11121311210 in words is "eleven billion, one hundred twenty-one million, three hundred eleven thousand, two hundred ten".