201125254103 has 4 divisors (see below), whose sum is σ = 201216139848. Its totient is φ = 201034368360.

The previous prime is 201125254061. The next prime is 201125254157. The reversal of 201125254103 is 301452521102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 201125254103 - 2¹⁶ = 201125188567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201125254303) 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, 45439553 + ... + 45443978.

It is an arithmetic number, because the mean of its divisors is an integer number (50304034962).

Almost surely, 2^201125254103 is an apocalyptic number.

201125254103 is a deficient number, since it is larger than the sum of its proper divisors (90885745).

201125254103 is an equidigital number, since it uses as much as digits as its factorization.

201125254103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90885744.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 201125254103 its reverse (301452521102), we get a palindrome (502577775205).

The spelling of 201125254103 in words is "two hundred one billion, one hundred twenty-five million, two hundred fifty-four thousand, one hundred three".