11121211221010 has 16 divisors (see below), whose sum is σ = 21838014761472. Its totient is φ = 4044076807600.

The previous prime is 11121211220941. The next prime is 11121211221101. The reversal of 11121211221010 is 1012211212111.

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 7 ways as a sum of consecutive naturals, for example, 50550959986 + ... + 50550960205.

It is an arithmetic number, because the mean of its divisors is an integer number (1364875922592).

Almost surely, 2^{11121211221010} is an apocalyptic number.

11121211221010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121211221010 is a deficient number, since it is larger than the sum of its proper divisors (10716803540462).

11121211221010 is a wasteful number, since it uses less digits than its factorization.

11121211221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101101920209.

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

Adding to 11121211221010 its reverse (1012211212111), we get a palindrome (12133422433121).

The spelling of 11121211221010 in words is "eleven trillion, one hundred twenty-one billion, two hundred eleven million, two hundred twenty-one thousand, ten".