2002122221202 has 12 divisors (see below), whose sum is σ = 4337931479310. Its totient is φ = 667374073728.

The previous prime is 2002122221153. The next prime is 2002122221213. The reversal of 2002122221202 is 2021222212002.

2002122221202 is a `hidden beast` number, since 200 + 21 + 22 + 221 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1895030313201 + 107091908001 = 1376601^2 + 327249^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 111229012289 = 2002122221202 / (2 + 0 + 0 + 2 + 1 + 2 + 2 + 2 + 2 + 1 + 2 + 0 + 2).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55614506127 + ... + 55614506162.

Almost surely, 2^{2002122221202} is an apocalyptic number.

2002122221202 is an abundant number, since it is smaller than the sum of its proper divisors (2335809258108).

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

2002122221202 is a wasteful number, since it uses less digits than its factorization.

2002122221202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111229012297 (or 111229012294 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2002122221202 its reverse (2021222212002), we get a palindrome (4023344433204).

The spelling of 2002122221202 in words is "two trillion, two billion, one hundred twenty-two million, two hundred twenty-one thousand, two hundred two".