2002222011121 has 8 divisors (see below), whose sum is σ = 2006552530944. Its totient is φ = 1997895252480.

The previous prime is 2002222011043. The next prime is 2002222011157. The reversal of 2002222011121 is 1211102222002.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2002222011121 - 2¹³ = 2002222002929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002222011095 and 2002222011104.

It is not an unprimeable number, because it can be changed into a prime (2002222011191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126840 + ... + 2005126.

It is an arithmetic number, because the mean of its divisors is an integer number (250819066368).

Almost surely, 2^{2002222011121} is an apocalyptic number.

It is an amenable number.

2002222011121 is a deficient number, since it is larger than the sum of its proper divisors (4330519823).

2002222011121 is a wasteful number, since it uses less digits than its factorization.

2002222011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880591.

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

Adding to 2002222011121 its reverse (1211102222002), we get a palindrome (3213324233123).

The spelling of 2002222011121 in words is "two trillion, two billion, two hundred twenty-two million, eleven thousand, one hundred twenty-one".