2212311100120 has 64 divisors (see below), whose sum is σ = 5562662545440. Its totient is φ = 784855372800.

The previous prime is 2212311100067. The next prime is 2212311100141. The reversal of 2212311100120 is 210011132122.

It is a junction number, because it is equal to n+sod(n) for n = 2212311100094 and 2212311100103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61298787 + ... + 61334866.

Almost surely, 2^{2212311100120} is an apocalyptic number.

2212311100120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212311100120 is an abundant number, since it is smaller than the sum of its proper divisors (3350351445320).

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

2212311100120 is a wasteful number, since it uses less digits than its factorization.

2212311100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122633716 (or 122633712 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 2212311100120 its reverse (210011132122), we get a palindrome (2422322232242).

The spelling of 2212311100120 in words is "two trillion, two hundred twelve billion, three hundred eleven million, one hundred thousand, one hundred twenty".