2051102120 has 32 divisors (see below), whose sum is σ = 4702059720. Its totient is φ = 804960000.

The previous prime is 2051102101. The next prime is 2051102129. The reversal of 2051102120 is 212011502.

It can be written as a sum of positive squares in 4 ways, for example, as 1130707876 + 920394244 = 33626^2 + 30338^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2051102095 and 2051102104.

It is not an unprimeable number, because it can be changed into a prime (2051102129) 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, 481631 + ... + 485870.

Almost surely, 2^2051102120 is an apocalyptic number.

2051102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2051102120 is an abundant number, since it is smaller than the sum of its proper divisors (2650957600).

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

2051102120 is a wasteful number, since it uses less digits than its factorization.

2051102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967565 (or 967561 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 2051102120 is about 45289.0949346529. The cubic root of 2051102120 is about 1270.5617041197.

Adding to 2051102120 its reverse (212011502), we get a palindrome (2263113622).

The spelling of 2051102120 in words is "two billion, fifty-one million, one hundred two thousand, one hundred twenty".