2120221021002 has 16 divisors (see below), whose sum is σ = 4846219476672. Its totient is φ = 605777434560.

The previous prime is 2120221020997. The next prime is 2120221021049. The reversal of 2120221021002 is 2001201220212.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25240726399 + ... + 25240726482.

It is an arithmetic number, because the mean of its divisors is an integer number (302888717292).

Almost surely, 2^{2120221021002} is an apocalyptic number.

2120221021002 is an abundant number, since it is smaller than the sum of its proper divisors (2725998455670).

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

2120221021002 is a wasteful number, since it uses less digits than its factorization.

2120221021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50481452893.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2120221021002 its reverse (2001201220212), we get a palindrome (4121422241214).

The spelling of 2120221021002 in words is "two trillion, one hundred twenty billion, two hundred twenty-one million, twenty-one thousand, two".