11011212211010 has 160 divisors (see below), whose sum is σ = 22974594192000. Its totient is φ = 3789197280000.

The previous prime is 11011212211009. The next prime is 11011212211057. The reversal of 11011212211010 is 1011221211011.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3669179510 + ... + 3669182510.

It is an arithmetic number, because the mean of its divisors is an integer number (143591213700).

Almost surely, 2^{11011212211010} is an apocalyptic number.

11011212211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11011212211010 is an abundant number, since it is smaller than the sum of its proper divisors (11963381980990).

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

11011212211010 is a wasteful number, since it uses less digits than its factorization.

11011212211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4390 (or 4357 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11011212211010 its reverse (1011221211011), we get a palindrome (12022433422021).

Subtracting from 11011212211010 its reverse (1011221211011), we obtain a palindrome (9999990999999).

The spelling of 11011212211010 in words is "eleven trillion, eleven billion, two hundred twelve million, two hundred eleven thousand, ten".