2101222120002 has 16 divisors (see below), whose sum is σ = 4203175296000. Its totient is φ = 700285530672.

The previous prime is 2101222119991. The next prime is 2101222120027. The reversal of 2101222120002 is 2000212221012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30423298 + ... + 30492285.

It is an arithmetic number, because the mean of its divisors is an integer number (262698456000).

Almost surely, 2^{2101222120002} is an apocalyptic number.

2101222120002 is an abundant number, since it is smaller than the sum of its proper divisors (2101953175998).

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

2101222120002 is a wasteful number, since it uses less digits than its factorization.

2101222120002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60921337.

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

Adding to 2101222120002 its reverse (2000212221012), we get a palindrome (4101434341014).

The spelling of 2101222120002 in words is "two trillion, one hundred one billion, two hundred twenty-two million, one hundred twenty thousand, two".