11011010121210 has 192 divisors, whose sum is σ = 29378840984064. Its totient is φ = 2619341155200.

The previous prime is 11011010121173. The next prime is 11011010121227. The reversal of 11011010121210 is 1212101011011.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 655916437 + ... + 655933223.

It is an arithmetic number, because the mean of its divisors is an integer number (153014796792).

Almost surely, 2^{11011010121210} is an apocalyptic number.

11011010121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11011010121210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14689420492032).

11011010121210 is an abundant number, since it is smaller than the sum of its proper divisors (18367830862854).

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

11011010121210 is a wasteful number, since it uses less digits than its factorization.

11011010121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17497 (or 17438 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11011010121210 its reverse (1212101011011), we get a palindrome (12223111132221).

The spelling of 11011010121210 in words is "eleven trillion, eleven billion, ten million, one hundred twenty-one thousand, two hundred ten".