2002222102120 has 16 divisors (see below), whose sum is σ = 4504999729860. Its totient is φ = 800888840832.

The previous prime is 2002222102081. The next prime is 2002222102129. The reversal of 2002222102120 is 212012222002.

It can be written as a sum of positive squares in 2 ways, for example, as 1833516397476 + 168705704644 = 1354074^2 + 410738^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2002222102094 and 2002222102103.

It is not an unprimeable number, because it can be changed into a prime (2002222102129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25027776237 + ... + 25027776316.

Almost surely, 2^{2002222102120} is an apocalyptic number.

2002222102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2002222102120 is an abundant number, since it is smaller than the sum of its proper divisors (2502777627740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002222102120 is a wasteful number, since it uses less digits than its factorization.

2002222102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50055552564 (or 50055552560 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 2002222102120 its reverse (212012222002), we get a palindrome (2214234324122).

The spelling of 2002222102120 in words is "two trillion, two billion, two hundred twenty-two million, one hundred two thousand, one hundred twenty".