2102401032225 has 96 divisors (see below), whose sum is σ = 3756732470400. Its totient is φ = 1031333990400.

The previous prime is 2102401032211. The next prime is 2102401032229. The reversal of 2102401032225 is 5222301042012.

It is not a de Polignac number, because 2102401032225 - 2⁴ = 2102401032209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2102401032195 and 2102401032204.

It is not an unprimeable number, because it can be changed into a prime (2102401032229) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 550220815 + ... + 550224635.

It is an arithmetic number, because the mean of its divisors is an integer number (39132629900).

Almost surely, 2^{2102401032225} is an apocalyptic number.

2102401032225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2102401032225 is a deficient number, since it is larger than the sum of its proper divisors (1654331438175).

2102401032225 is a wasteful number, since it uses less digits than its factorization.

2102401032225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715 (or 5710 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 2102401032225 its reverse (5222301042012), we get a palindrome (7324702074237).

The spelling of 2102401032225 in words is "two trillion, one hundred two billion, four hundred one million, thirty-two thousand, two hundred twenty-five".