11222000120 has 64 divisors (see below), whose sum is σ = 26415849600. Its totient is φ = 4286110720.

The previous prime is 11222000107. The next prime is 11222000123. The reversal of 11222000120 is 2100022211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11222000123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4286 + ... + 149874.

It is an arithmetic number, because the mean of its divisors is an integer number (412747650).

Almost surely, 2^11222000120 is an apocalyptic number.

11222000120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11222000120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13207924800).

11222000120 is an abundant number, since it is smaller than the sum of its proper divisors (15193849480).

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

11222000120 is a wasteful number, since it uses less digits than its factorization.

11222000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145688 (or 145684 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 11222000120 its reverse (2100022211), we get a palindrome (13322022331).

The spelling of 11222000120 in words is "eleven billion, two hundred twenty-two million, one hundred twenty", and thus it is an aban number.