2231121201 has 8 divisors (see below), whose sum is σ = 3055229184. Its totient is φ = 1447213680.

The previous prime is 2231121197. The next prime is 2231121203. The reversal of 2231121201 is 1021211322.

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

It is not a de Polignac number, because 2231121201 - 2² = 2231121197 is a prime.

It is a super-3 number, since 3×2231121201³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2231121203) 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, 10049985 + ... + 10050206.

It is an arithmetic number, because the mean of its divisors is an integer number (381903648).

Almost surely, 2^2231121201 is an apocalyptic number.

It is an amenable number.

2231121201 is a deficient number, since it is larger than the sum of its proper divisors (824107983).

2231121201 is a wasteful number, since it uses less digits than its factorization.

2231121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20100231.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2231121201 is about 47234.7456963621. The cubic root of 2231121201 is about 1306.6954765603.

Adding to 2231121201 its reverse (1021211322), we get a palindrome (3252332523).

It can be divided in two parts, 2231121 and 201, that added together give a palindrome (2231322).

The spelling of 2231121201 in words is "two billion, two hundred thirty-one million, one hundred twenty-one thousand, two hundred one".