2120220021112 has 16 divisors (see below), whose sum is σ = 3977278086600. Its totient is φ = 1059612531360.

The previous prime is 2120220021103. The next prime is 2120220021193. The reversal of 2120220021112 is 2111200220212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62166787 + ... + 62200882.

Almost surely, 2^{2120220021112} is an apocalyptic number.

It is an amenable number.

2120220021112 is a deficient number, since it is larger than the sum of its proper divisors (1857058065488).

2120220021112 is a wasteful number, since it uses less digits than its factorization.

2120220021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124369806 (or 124369802 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2120220021112 its reverse (2111200220212), we get a palindrome (4231420241324).

The spelling of 2120220021112 in words is "two trillion, one hundred twenty billion, two hundred twenty million, twenty-one thousand, one hundred twelve".