2100612523801 has 9 divisors (see below), whose sum is σ = 2308955256853. Its totient is φ = 1909633255420.

The previous prime is 2100612523799. The next prime is 2100612523817. The reversal of 2100612523801 is 1083252160012.

The square root of 2100612523801 is 1449349.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 2100612523801 - 2¹ = 2100612523799 is a prime.

It is a super-3 number, since 3×2100612523801³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100612523001) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 15876960 + ... + 16008718.

Almost surely, 2^{2100612523801} is an apocalyptic number.

2100612523801 is the 1449349-th square number.

2100612523801 is the 724675-th centered octagonal number.

It is an amenable number.

2100612523801 is a deficient number, since it is larger than the sum of its proper divisors (208342733052).

2100612523801 is an frugal number, since it uses more digits than its factorization.

2100612523801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263540 (or 131770 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

Adding to 2100612523801 its reverse (1083252160012), we get a palindrome (3183864683813).

The spelling of 2100612523801 in words is "two trillion, one hundred billion, six hundred twelve million, five hundred twenty-three thousand, eight hundred one".