4201421011525 has 24 divisors (see below), whose sum is σ = 5219245584800. Its totient is φ = 3355020648000.

The previous prime is 4201421011523. The next prime is 4201421011561. The reversal of 4201421011525 is 5251101241024.

4201421011525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4201421011525 - 2¹ = 4201421011523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4201421011493 and 4201421011502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4201421011523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83833975 + ... + 83884075.

Almost surely, 2^{4201421011525} is an apocalyptic number.

It is an amenable number.

4201421011525 is a deficient number, since it is larger than the sum of its proper divisors (1017824573275).

4201421011525 is a wasteful number, since it uses less digits than its factorization.

4201421011525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56149 (or 56144 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 4201421011525 its reverse (5251101241024), we get a palindrome (9452522252549).

The spelling of 4201421011525 in words is "four trillion, two hundred one billion, four hundred twenty-one million, eleven thousand, five hundred twenty-five".