2212022201121 has 12 divisors (see below), whose sum is σ = 3199298122020. Its totient is φ = 1472763801600.

The previous prime is 2212022201113. The next prime is 2212022201149. The reversal of 2212022201121 is 1211022202122.

It is a happy number.

2212022201121 is a `hidden beast` number, since 221 + 202 + 220 + 1 + 1 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1514287758096 + 697734443025 = 1230564^2 + 835305^2 .

It is not a de Polignac number, because 2212022201121 - 2³ = 2212022201113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2212022201094 and 2212022201103.

It is not an unprimeable number, because it can be changed into a prime (2212022201021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159798180 + ... + 159812021.

It is an arithmetic number, because the mean of its divisors is an integer number (266608176835).

Almost surely, 2^{2212022201121} is an apocalyptic number.

It is an amenable number.

2212022201121 is a deficient number, since it is larger than the sum of its proper divisors (987275920899).

2212022201121 is a wasteful number, since it uses less digits than its factorization.

2212022201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319610976 (or 319610973 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2212022201121 its reverse (1211022202122), we get a palindrome (3423044403243).

The spelling of 2212022201121 in words is "two trillion, two hundred twelve billion, twenty-two million, two hundred one thousand, one hundred twenty-one".