11221220120110 has 192 divisors, whose sum is σ = 27397563876864. Its totient is φ = 3213174182400.

The previous prime is 11221220120101. The next prime is 11221220120153. The reversal of 11221220120110 is 1102102212211.

11221220120110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11221220120110² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27253092 + ... + 27661768.

It is an arithmetic number, because the mean of its divisors is an integer number (142695645192).

Almost surely, 2^{11221220120110} is an apocalyptic number.

11221220120110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11221220120110 is an abundant number, since it is smaller than the sum of its proper divisors (16176343756754).

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

11221220120110 is a wasteful number, since it uses less digits than its factorization.

11221220120110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408939 (or 408926 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11221220120110 its reverse (1102102212211), we get a palindrome (12323322332321).

The spelling of 11221220120110 in words is "eleven trillion, two hundred twenty-one billion, two hundred twenty million, one hundred twenty thousand, one hundred ten".