2211231132120 has 192 divisors, whose sum is σ = 6857717580000. Its totient is φ = 570379683840.

The previous prime is 2211231132113. The next prime is 2211231132167. The reversal of 2211231132120 is 212311321122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 501524476 + ... + 501528884.

Almost surely, 2^{2211231132120} is an apocalyptic number.

2211231132120 is a gapful number since it is divisible by the number (20) 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 2211231132120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3428858790000).

2211231132120 is an abundant number, since it is smaller than the sum of its proper divisors (4646486447880).

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

2211231132120 is a wasteful number, since it uses less digits than its factorization.

2211231132120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8834 (or 8799 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 2211231132120 its reverse (212311321122), we get a palindrome (2423542453242).

The spelling of 2211231132120 in words is "two trillion, two hundred eleven billion, two hundred thirty-one million, one hundred thirty-two thousand, one hundred twenty".