4201913121 has 12 divisors (see below), whose sum is σ = 6517253232. Its totient is φ = 2401093128.

The previous prime is 4201913101. The next prime is 4201913143. The reversal of 4201913121 is 1213191024.

4201913121 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4201913121 - 2¹⁸ = 4201650977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4201913091 and 4201913100.

It is not an unprimeable number, because it can be changed into a prime (4201913101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14292075 + ... + 14292368.

It is an arithmetic number, because the mean of its divisors is an integer number (543104436).

Almost surely, 2^4201913121 is an apocalyptic number.

It is an amenable number.

4201913121 is a deficient number, since it is larger than the sum of its proper divisors (2315340111).

4201913121 is a wasteful number, since it uses less digits than its factorization.

4201913121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28584460 (or 28584453 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 4201913121 is about 64822.1653526014. The cubic root of 4201913121 is about 1613.6735837767.

The spelling of 4201913121 in words is "four billion, two hundred one million, nine hundred thirteen thousand, one hundred twenty-one".