2002121022002 has 4 divisors (see below), whose sum is σ = 3003181533006. Its totient is φ = 1001060511000.

The previous prime is 2002121021983. The next prime is 2002121022017. The reversal of 2002121022002 is 2002201212002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1291925483641 + 710195538361 = 1136629^2 + 842731^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500530255499 + ... + 500530255502.

Almost surely, 2^{2002121022002} is an apocalyptic number.

2002121022002 is a deficient number, since it is larger than the sum of its proper divisors (1001060511004).

2002121022002 is a wasteful number, since it uses less digits than its factorization.

2002121022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001060511003.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2002121022002 its reverse (2002201212002), we get a palindrome (4004322234004).

The spelling of 2002121022002 in words is "two trillion, two billion, one hundred twenty-one million, twenty-two thousand, two".