2101004125 has 32 divisors (see below), whose sum is σ = 2865582720. Its totient is φ = 1525248000.

The previous prime is 2101004119. The next prime is 2101004159. The reversal of 2101004125 is 5214001012.

It is not a de Polignac number, because 2101004125 - 2³ = 2101004117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2101004099 and 2101004108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1056382 + ... + 1058368.

It is an arithmetic number, because the mean of its divisors is an integer number (89549460).

Almost surely, 2^2101004125 is an apocalyptic number.

2101004125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2101004125 is a deficient number, since it is larger than the sum of its proper divisors (764578595).

2101004125 is a wasteful number, since it uses less digits than its factorization.

2101004125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782 (or 2772 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 2101004125 is about 45836.7115421689. The cubic root of 2101004125 is about 1280.7832374735.

Adding to 2101004125 its reverse (5214001012), we get a palindrome (7315005137).

The spelling of 2101004125 in words is "two billion, one hundred one million, four thousand, one hundred twenty-five".