2120221021112 has 16 divisors (see below), whose sum is σ = 4072375742400. Its totient is φ = 1034254156480.

The previous prime is 2120221021103. The next prime is 2120221021129. The reversal of 2120221021112 is 2111201220212.

It is a congruent number.

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, 3232043912 + ... + 3232044567.

It is an arithmetic number, because the mean of its divisors is an integer number (254523483900).

Almost surely, 2^{2120221021112} is an apocalyptic number.

It is an amenable number.

2120221021112 is a deficient number, since it is larger than the sum of its proper divisors (1952154721288).

2120221021112 is a wasteful number, since it uses less digits than its factorization.

2120221021112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6464088526 (or 6464088522 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2120221021112 its reverse (2111201220212), we get a palindrome (4231422241324).

The spelling of 2120221021112 in words is "two trillion, one hundred twenty billion, two hundred twenty-one million, twenty-one thousand, one hundred twelve".