2121020322002 has 16 divisors (see below), whose sum is σ = 3236648637312. Its totient is φ = 1042232886240.

The previous prime is 2121020321999. The next prime is 2121020322041. The reversal of 2121020322002 is 2002230201212.

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 7 ways as a sum of consecutive naturals, for example, 23816198 + ... + 23905089.

It is an arithmetic number, because the mean of its divisors is an integer number (202290539832).

Almost surely, 2^{2121020322002} is an apocalyptic number.

2121020322002 is a deficient number, since it is larger than the sum of its proper divisors (1115628315310).

2121020322002 is a wasteful number, since it uses less digits than its factorization.

2121020322002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47721673.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2121020322002 its reverse (2002230201212), we get a palindrome (4123250523214).

The spelling of 2121020322002 in words is "two trillion, one hundred twenty-one billion, twenty million, three hundred twenty-two thousand, two".