2202122001121 has 6 divisors (see below), whose sum is σ = 2561652123810. Its totient is φ = 1887533143776.

The previous prime is 2202122001109. The next prime is 2202122001133. The reversal of 2202122001121 is 1211002212022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2202122001109) and next prime (2202122001133).

It can be written as a sum of positive squares in only one way, i.e., 2096863283025 + 105258718096 = 1448055^2 + 324436^2 .

It is not a de Polignac number, because 2202122001121 - 2⁵ = 2202122001089 is a prime.

It is a super-4 number, since 4×2202122001121⁴ (a number of 50 digits) contains 4444 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202122001095 and 2202122001104.

It is not an unprimeable number, because it can be changed into a prime (2202122001161) 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 5 ways as a sum of consecutive naturals, for example, 22470632616 + ... + 22470632713.

It is an arithmetic number, because the mean of its divisors is an integer number (426942020635).

Almost surely, 2^{2202122001121} is an apocalyptic number.

It is an amenable number.

2202122001121 is a deficient number, since it is larger than the sum of its proper divisors (359530122689).

2202122001121 is an equidigital number, since it uses as much as digits as its factorization.

2202122001121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44941265343 (or 44941265336 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2202122001121 its reverse (1211002212022), we get a palindrome (3413124213143).

The spelling of 2202122001121 in words is "two trillion, two hundred two billion, one hundred twenty-two million, one thousand, one hundred twenty-one".