11211001211010 has 128 divisors (see below), whose sum is σ = 27837345279744. Its totient is φ = 2887412935680.

The previous prime is 11211001210967. The next prime is 11211001211027. The reversal of 11211001211010 is 1011210011211.

It is a Curzon number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 109846764 + ... + 109948776.

It is an arithmetic number, because the mean of its divisors is an integer number (217479259998).

Almost surely, 2^{11211001211010} is an apocalyptic number.

11211001211010 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 11211001211010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13918672639872).

11211001211010 is an abundant number, since it is smaller than the sum of its proper divisors (16626344068734).

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

11211001211010 is a wasteful number, since it uses less digits than its factorization.

11211001211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102788.

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

Adding to 11211001211010 its reverse (1011210011211), we get a palindrome (12222211222221).

The spelling of 11211001211010 in words is "eleven trillion, two hundred eleven billion, one million, two hundred eleven thousand, ten".