11221111122110 has 16 divisors (see below), whose sum is σ = 20352183228432. Its totient is φ = 4454181513600.

The previous prime is 11221111122107. The next prime is 11221111122203. The reversal of 11221111122110 is 1122111112211.

It is a congruent number.

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, 4282865531 + ... + 4282868150.

It is an arithmetic number, because the mean of its divisors is an integer number (1272011451777).

Almost surely, 2^{11221111122110} is an apocalyptic number.

11221111122110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221111122110 is a deficient number, since it is larger than the sum of its proper divisors (9131072106322).

11221111122110 is a wasteful number, since it uses less digits than its factorization.

11221111122110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8565733819.

The product of its (nonzero) digits is 16, while the sum is 17.

Adding to 11221111122110 its reverse (1122111112211), we get a palindrome (12343222234321).

The spelling of 11221111122110 in words is "eleven trillion, two hundred twenty-one billion, one hundred eleven million, one hundred twenty-two thousand, one hundred ten".