11222111200120 has 32 divisors (see below), whose sum is σ = 25533455266800. Its totient is φ = 4438408023808.

The previous prime is 11222111200093. The next prime is 11222111200121. The reversal of 11222111200120 is 2100211122211.

It is a junction number, because it is equal to n+sod(n) for n = 11222111200094 and 11222111200103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222111200121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1576135654 + ... + 1576142773.

Almost surely, 2^{11222111200120} is an apocalyptic number.

11222111200120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222111200120 is an abundant number, since it is smaller than the sum of its proper divisors (14311344066680).

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

11222111200120 is a wasteful number, since it uses less digits than its factorization.

11222111200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152278527 (or 3152278523 counting only the distinct ones).

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

Adding to 11222111200120 its reverse (2100211122211), we get a palindrome (13322322322331).

The spelling of 11222111200120 in words is "eleven trillion, two hundred twenty-two billion, one hundred eleven million, two hundred thousand, one hundred twenty".