2211331132120 has 64 divisors (see below), whose sum is σ = 5519809670400. Its totient is φ = 790491242880.

The previous prime is 2211331132117. The next prime is 2211331132139. The reversal of 2211331132120 is 212311331122.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 2211331132091 and 2211331132100.

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, 42565164 + ... + 42617083.

It is an arithmetic number, because the mean of its divisors is an integer number (86247026100).

Almost surely, 2^{2211331132120} is an apocalyptic number.

2211331132120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2211331132120 is an abundant number, since it is smaller than the sum of its proper divisors (3308478538280).

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

2211331132120 is a wasteful number, since it uses less digits than its factorization.

2211331132120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85182328 (or 85182324 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 2211331132120 its reverse (212311331122), we get a palindrome (2423642463242).

The spelling of 2211331132120 in words is "two trillion, two hundred eleven billion, three hundred thirty-one million, one hundred thirty-two thousand, one hundred twenty".