2002221122122 has 32 divisors (see below), whose sum is σ = 3426917663232. Its totient is φ = 869157928704.

The previous prime is 2002221122117. The next prime is 2002221122137. The reversal of 2002221122122 is 2212211222002.

It is a self number, because there is not a number n which added to its sum of digits gives 2002221122122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 865918 + ... + 2180425.

It is an arithmetic number, because the mean of its divisors is an integer number (107091176976).

Almost surely, 2^{2002221122122} is an apocalyptic number.

2002221122122 is a deficient number, since it is larger than the sum of its proper divisors (1424696541110).

2002221122122 is a wasteful number, since it uses less digits than its factorization.

2002221122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047862.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 2002221122122 its reverse (2212211222002), we get a palindrome (4214432344124).

The spelling of 2002221122122 in words is "two trillion, two billion, two hundred twenty-one million, one hundred twenty-two thousand, one hundred twenty-two".