11211122010010 has 64 divisors (see below), whose sum is σ = 22098479356800. Its totient is φ = 4069808974080.

The previous prime is 11211122009959. The next prime is 11211122010019. The reversal of 11211122010010 is 1001022111211.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (11211122010019) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 17471841 + ... + 18102139.

It is an arithmetic number, because the mean of its divisors is an integer number (345288739950).

Almost surely, 2^{11211122010010} is an apocalyptic number.

11211122010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11211122010010 is a deficient number, since it is larger than the sum of its proper divisors (10887357346790).

11211122010010 is a wasteful number, since it uses less digits than its factorization.

11211122010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632623.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11211122010010 its reverse (1001022111211), we get a palindrome (12212144121221).

The spelling of 11211122010010 in words is "eleven trillion, two hundred eleven billion, one hundred twenty-two million, ten thousand, ten".