2222222201121 has 8 divisors (see below), whose sum is σ = 3190883160640. Its totient is φ = 1367521354512.

The previous prime is 2222222201077. The next prime is 2222222201159. The reversal of 2222222201121 is 1211022222222.

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

It is not a de Polignac number, because 2222222201121 - 2⁷ = 2222222200993 is a prime.

It is a super-2 number, since 2×2222222201121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222222251121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28490028181 + ... + 28490028258.

It is an arithmetic number, because the mean of its divisors is an integer number (398860395080).

Almost surely, 2^{2222222201121} is an apocalyptic number.

It is an amenable number.

2222222201121 is a deficient number, since it is larger than the sum of its proper divisors (968660959519).

2222222201121 is a wasteful number, since it uses less digits than its factorization.

2222222201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56980056455.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 2222222201121 its reverse (1211022222222), we get a palindrome (3433244423343).

The spelling of 2222222201121 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred one thousand, one hundred twenty-one".