2112121021002 has 8 divisors (see below), whose sum is σ = 4224242042016. Its totient is φ = 704040340332.

The previous prime is 2112121020979. The next prime is 2112121021019. The reversal of 2112121021002 is 2001201212112.

It is a sphenic number, since it is the product of 3 distinct primes.

2112121021002 is an admirable number.

It is a super-2 number, since 2×2112121021002² (a number of 25 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 176010085078 + ... + 176010085089.

It is an arithmetic number, because the mean of its divisors is an integer number (528030255252).

Almost surely, 2^{2112121021002} is an apocalyptic number.

2112121021002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2112121021002 is a wasteful number, since it uses less digits than its factorization.

2112121021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352020170172.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2112121021002 its reverse (2001201212112), we get a palindrome (4113322233114).

The spelling of 2112121021002 in words is "two trillion, one hundred twelve billion, one hundred twenty-one million, twenty-one thousand, two".