2112025501 has 4 divisors (see below), whose sum is σ = 2118077500. Its totient is φ = 2105973504.

The previous prime is 2112025499. The next prime is 2112025571. The reversal of 2112025501 is 1055202112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1957620025 + 154405476 = 44245^2 + 12426^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112025501 - 2¹ = 2112025499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112025571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3025476 + ... + 3026173.

It is an arithmetic number, because the mean of its divisors is an integer number (529519375).

Almost surely, 2^2112025501 is an apocalyptic number.

It is an amenable number.

2112025501 is a deficient number, since it is larger than the sum of its proper divisors (6051999).

2112025501 is an equidigital number, since it uses as much as digits as its factorization.

2112025501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6051998.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 2112025501 is about 45956.7786186108. The cubic root of 2112025501 is about 1283.0188958243.

Adding to 2112025501 its reverse (1055202112), we get a palindrome (3167227613).

The spelling of 2112025501 in words is "two billion, one hundred twelve million, twenty-five thousand, five hundred one".