2120021222102 has 32 divisors (see below), whose sum is σ = 3657706183488. Its totient is φ = 902735248896.

The previous prime is 2120021222083. The next prime is 2120021222141. The reversal of 2120021222102 is 2012221200212.

It is a happy number.

It is a super-4 number, since 4×2120021222102⁴ (a number of 50 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 67983938 + ... + 68015114.

It is an arithmetic number, because the mean of its divisors is an integer number (114303318234).

Almost surely, 2^{2120021222102} is an apocalyptic number.

2120021222102 is a deficient number, since it is larger than the sum of its proper divisors (1537684961386).

2120021222102 is a wasteful number, since it uses less digits than its factorization.

2120021222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62280.

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

Adding to 2120021222102 its reverse (2012221200212), we get a palindrome (4132242422314).

The spelling of 2120021222102 in words is "two trillion, one hundred twenty billion, twenty-one million, two hundred twenty-two thousand, one hundred two".