2201001121 has 8 divisors (see below), whose sum is σ = 2436930144. Its totient is φ = 1971045120.

The previous prime is 2201001109. The next prime is 2201001151. The reversal of 2201001121 is 1211001022.

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

It is not a de Polignac number, because 2201001121 - 2⁷ = 2201000993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2201001098 and 2201001107.

It is not an unprimeable number, because it can be changed into a prime (2201001151) 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, 1492480 + ... + 1493953.

It is an arithmetic number, because the mean of its divisors is an integer number (304616268).

Almost surely, 2^2201001121 is an apocalyptic number.

It is an amenable number.

2201001121 is a deficient number, since it is larger than the sum of its proper divisors (235929023).

2201001121 is a wasteful number, since it uses less digits than its factorization.

2201001121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986511.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2201001121 is about 46914.8283701433. The cubic root of 2201001121 is about 1300.7886971481.

Adding to 2201001121 its reverse (1211001022), we get a palindrome (3412002143).

Subtracting from 2201001121 its reverse (1211001022), we obtain a palindrome (990000099).

The spelling of 2201001121 in words is "two billion, two hundred one million, one thousand, one hundred twenty-one".