2513022101 has 4 divisors (see below), whose sum is σ = 2518473804. Its totient is φ = 2507570400.

The previous prime is 2513022097. The next prime is 2513022103. The reversal of 2513022101 is 1012203152.

It is a happy number.

2513022101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1224930001 + 1288092100 = 34999^2 + 35890^2 .

It is a cyclic number.

It is not a de Polignac number, because 2513022101 - 2² = 2513022097 is a prime.

It is a super-2 number, since 2×2513022101² = 12630560160228908402, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2513022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2513022103) 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, 2725160 + ... + 2726081.

It is an arithmetic number, because the mean of its divisors is an integer number (629618451).

Almost surely, 2^2513022101 is an apocalyptic number.

It is an amenable number.

2513022101 is a deficient number, since it is larger than the sum of its proper divisors (5451703).

2513022101 is an equidigital number, since it uses as much as digits as its factorization.

2513022101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5451702.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2513022101 is about 50130.0518750978. The cubic root of 2513022101 is about 1359.5612232523.

Adding to 2513022101 its reverse (1012203152), we get a palindrome (3525225253).

The spelling of 2513022101 in words is "two billion, five hundred thirteen million, twenty-two thousand, one hundred one".