201051121 has 8 divisors (see below), whose sum is σ = 204288320. Its totient is φ = 197821008.

The previous prime is 201051091. The next prime is 201051131. The reversal of 201051121 is 121150102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 201051121 - 2¹¹ = 201049073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201051131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106060 + ... + 107938.

It is an arithmetic number, because the mean of its divisors is an integer number (25536040).

Almost surely, 2^201051121 is an apocalyptic number.

It is an amenable number.

201051121 is a deficient number, since it is larger than the sum of its proper divisors (3237199).

201051121 is a wasteful number, since it uses less digits than its factorization.

201051121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543.

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 201051121 is about 14179.2496627995. The cubic root of 201051121 is about 585.8262568940.

The spelling of 201051121 in words is "two hundred one million, fifty-one thousand, one hundred twenty-one".