2101201012 has 12 divisors (see below), whose sum is σ = 3677491300. Its totient is φ = 1050489216.

The previous prime is 2101201009. The next prime is 2101201033. The reversal of 2101201012 is 2101021012.

It can be written as a sum of positive squares in 2 ways, for example, as 543635856 + 1557565156 = 23316^2 + 39466^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2101201012.

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, 26398 + ... + 69994.

Almost surely, 2^2101201012 is an apocalyptic number.

It is an amenable number.

2101201012 is a deficient number, since it is larger than the sum of its proper divisors (1576290288).

2101201012 is a wasteful number, since it uses less digits than its factorization.

2101201012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55650 (or 55648 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2101201012 is about 45838.8591917382. The cubic root of 2101201012 is about 1280.8232440096.

Adding to 2101201012 its reverse (2101021012), we get a palindrome (4202222024).

The spelling of 2101201012 in words is "two billion, one hundred one million, two hundred one thousand, twelve".