2121101222002 has 16 divisors (see below), whose sum is σ = 3636907185600. Its totient is φ = 908859965328.

The previous prime is 2121101221933. The next prime is 2121101222011. The reversal of 2121101222002 is 2002221011212.

It is a happy number.

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, 15212752 + ... + 15351547.

It is an arithmetic number, because the mean of its divisors is an integer number (227306699100).

Almost surely, 2^{2121101222002} is an apocalyptic number.

2121101222002 is a deficient number, since it is larger than the sum of its proper divisors (1515805963598).

2121101222002 is a wasteful number, since it uses less digits than its factorization.

2121101222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30569265.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2121101222002 its reverse (2002221011212), we get a palindrome (4123322233214).

The spelling of 2121101222002 in words is "two trillion, one hundred twenty-one billion, one hundred one million, two hundred twenty-two thousand, two".