2111201122120 has 16 divisors (see below), whose sum is σ = 4750202524860. Its totient is φ = 844480448832.

The previous prime is 2111201122087. The next prime is 2111201122133. The reversal of 2111201122120 is 212211021112.

It can be written as a sum of positive squares in 2 ways, for example, as 2106556154404 + 4644967716 = 1451398^2 + 68154^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2111201122094 and 2111201122103.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26390013987 + ... + 26390014066.

Almost surely, 2^{2111201122120} is an apocalyptic number.

2111201122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111201122120 is an abundant number, since it is smaller than the sum of its proper divisors (2639001402740).

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

2111201122120 is a wasteful number, since it uses less digits than its factorization.

2111201122120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52780028064 (or 52780028060 counting only the distinct ones).

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

Adding to 2111201122120 its reverse (212211021112), we get a palindrome (2323412143232).

The spelling of 2111201122120 in words is "two trillion, one hundred eleven billion, two hundred one million, one hundred twenty-two thousand, one hundred twenty".