222011012120 has 32 divisors (see below), whose sum is σ = 502140107520. Its totient is φ = 88339457280.

The previous prime is 222011012107. The next prime is 222011012177. The reversal of 222011012120 is 21210110222.

It is a junction number, because it is equal to n+sod(n) for n = 222011012095 and 222011012104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14521877 + ... + 14537156.

It is an arithmetic number, because the mean of its divisors is an integer number (15691878360).

Almost surely, 2^222011012120 is an apocalyptic number.

222011012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222011012120 is an abundant number, since it is smaller than the sum of its proper divisors (280129095400).

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

222011012120 is a wasteful number, since it uses less digits than its factorization.

222011012120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29059235 (or 29059231 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222011012120 its reverse (21210110222), we get a palindrome (243221122342).

The spelling of 222011012120 in words is "two hundred twenty-two billion, eleven million, twelve thousand, one hundred twenty".