201121350 has 48 divisors (see below), whose sum is σ = 503397840. Its totient is φ = 53136000.

The previous prime is 201121309. The next prime is 201121369. The reversal of 201121350 is 53121102.

It is a super-4 number, since 4×201121350⁴ (a number of 34 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10200 + ... + 22500.

It is an arithmetic number, because the mean of its divisors is an integer number (10487455).

Almost surely, 2^201121350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201121350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251698920).

201121350 is an abundant number, since it is smaller than the sum of its proper divisors (302276490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201121350 is a wasteful number, since it uses less digits than its factorization.

201121350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12425 (or 12420 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 201121350 is about 14181.7259175320. The cubic root of 201121350 is about 585.8944604475.

Adding to 201121350 its reverse (53121102), we get a palindrome (254242452).

The spelling of 201121350 in words is "two hundred one million, one hundred twenty-one thousand, three hundred fifty".