2120220111180 has 24 divisors (see below), whose sum is σ = 5936616311472. Its totient is φ = 565392029632.

The previous prime is 2120220111161. The next prime is 2120220111181. The reversal of 2120220111180 is 811110220212.

It is a super-3 number, since 3×2120220111180³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2120220111181) 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, 17668500867 + ... + 17668500986.

It is an arithmetic number, because the mean of its divisors is an integer number (247359012978).

Almost surely, 2^{2120220111180} is an apocalyptic number.

2120220111180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2120220111180 is an abundant number, since it is smaller than the sum of its proper divisors (3816396200292).

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

2120220111180 is a wasteful number, since it uses less digits than its factorization.

2120220111180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35337001865 (or 35337001863 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 2120220111180 its reverse (811110220212), we get a palindrome (2931330331392).

The spelling of 2120220111180 in words is "two trillion, one hundred twenty billion, two hundred twenty million, one hundred eleven thousand, one hundred eighty".