2212111012120 has 32 divisors (see below), whose sum is σ = 4977361509120. Its totient is φ = 884824541440.

The previous prime is 2212111012103. The next prime is 2212111012123. The reversal of 2212111012120 is 212101112122.

It is a junction number, because it is equal to n+sod(n) for n = 2212111012094 and 2212111012103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212111012123) 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, 1253244 + ... + 2448436.

It is an arithmetic number, because the mean of its divisors is an integer number (155542547160).

Almost surely, 2^{2212111012120} is an apocalyptic number.

2212111012120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212111012120 is an abundant number, since it is smaller than the sum of its proper divisors (2765250497000).

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

2212111012120 is a wasteful number, since it uses less digits than its factorization.

2212111012120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241475 (or 1241471 counting only the distinct ones).

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

Adding to 2212111012120 its reverse (212101112122), we get a palindrome (2424212124242).

The spelling of 2212111012120 in words is "two trillion, two hundred twelve billion, one hundred eleven million, twelve thousand, one hundred twenty".