2120212221002 has 16 divisors (see below), whose sum is σ = 3216974216832. Its totient is φ = 1047930280320.

The previous prime is 2120212220921. The next prime is 2120212221011. The reversal of 2120212221002 is 2001222120212.

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, 10600199 + ... + 10798362.

It is an arithmetic number, because the mean of its divisors is an integer number (201060888552).

Almost surely, 2^{2120212221002} is an apocalyptic number.

2120212221002 is a deficient number, since it is larger than the sum of its proper divisors (1096761995830).

2120212221002 is a wasteful number, since it uses less digits than its factorization.

2120212221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21399133.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2120212221002 its reverse (2001222120212), we get a palindrome (4121434341214).

The spelling of 2120212221002 in words is "two trillion, one hundred twenty billion, two hundred twelve million, two hundred twenty-one thousand, two".