11121212011210 has 64 divisors (see below), whose sum is σ = 23428024088832. Its totient is φ = 3721440070656.

The previous prime is 11121212011177. The next prime is 11121212011211. The reversal of 11121212011210 is 1211021212111.

11121212011210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11121212011211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2479624 + ... + 5328316.

It is an arithmetic number, because the mean of its divisors is an integer number (366062876388).

Almost surely, 2^{11121212011210} is an apocalyptic number.

11121212011210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121212011210 is an abundant number, since it is smaller than the sum of its proper divisors (12306812077622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121212011210 is a wasteful number, since it uses less digits than its factorization.

11121212011210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2850047.

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

Adding to 11121212011210 its reverse (1211021212111), we get a palindrome (12332233223321).

The spelling of 11121212011210 in words is "eleven trillion, one hundred twenty-one billion, two hundred twelve million, eleven thousand, two hundred ten".