2002202120122 has 32 divisors (see below), whose sum is σ = 3127243003920. Its totient is φ = 960242949120.

The previous prime is 2002202120101. The next prime is 2002202120147. The reversal of 2002202120122 is 2210212022002.

It can be written as a sum of positive squares in 8 ways, for example, as 1400769298681 + 601432821441 = 1183541^2 + 775521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2002202120096 and 2002202120105.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 56958672 + ... + 56993812.

Almost surely, 2^{2002202120122} is an apocalyptic number.

2002202120122 is a deficient number, since it is larger than the sum of its proper divisors (1125040883798).

2002202120122 is a wasteful number, since it uses less digits than its factorization.

2002202120122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41586.

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

Adding to 2002202120122 its reverse (2210212022002), we get a palindrome (4212414142124).

The spelling of 2002202120122 in words is "two trillion, two billion, two hundred two million, one hundred twenty thousand, one hundred twenty-two".