11222220121110 has 48 divisors (see below), whose sum is σ = 29188729668384. Its totient is φ = 2991468201216.

The previous prime is 11222220121109. The next prime is 11222220121193. The reversal of 11222220121110 is 1112102222211.

11222220121110 is a `hidden beast` number, since 1 + 1 + 222 + 220 + 1 + 211 + 10 = 666.

It is a super-2 number, since 2×11222220121110² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23172147 + ... + 23651486.

It is an arithmetic number, because the mean of its divisors is an integer number (608098534758).

Almost surely, 2^{11222220121110} is an apocalyptic number.

11222220121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11222220121110 is an abundant number, since it is smaller than the sum of its proper divisors (17966509547274).

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

11222220121110 is a wasteful number, since it uses less digits than its factorization.

11222220121110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46826309 (or 46826306 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11222220121110 its reverse (1112102222211), we get a palindrome (12334322343321).

The spelling of 11222220121110 in words is "eleven trillion, two hundred twenty-two billion, two hundred twenty million, one hundred twenty-one thousand, one hundred ten".