11121221122010 has 16 divisors (see below), whose sum is σ = 20018242519200. Its totient is φ = 4448478560016.

The previous prime is 11121221122003. The next prime is 11121221122031. The reversal of 11121221122010 is 1022112212111.

It is a self number, because there is not a number n which added to its sum of digits gives 11121221122010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4972121 + ... + 6853059.

It is an arithmetic number, because the mean of its divisors is an integer number (1251140157450).

Almost surely, 2^{11121221122010} is an apocalyptic number.

11121221122010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121221122010 is a deficient number, since it is larger than the sum of its proper divisors (8897021397190).

11121221122010 is a wasteful number, since it uses less digits than its factorization.

11121221122010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2472205.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11121221122010 its reverse (1022112212111), we get a palindrome (12143333334121).

The spelling of 11121221122010 in words is "eleven trillion, one hundred twenty-one billion, two hundred twenty-one million, one hundred twenty-two thousand, ten".