2112121200002 has 16 divisors (see below), whose sum is σ = 3461968296000. Its totient is φ = 958452321840.

The previous prime is 2112121199971. The next prime is 2112121200011. The reversal of 2112121200002 is 2000021212112.

It is a super-2 number, since 2×2112121200002² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2112121200002.

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, 80124977 + ... + 80151332.

It is an arithmetic number, because the mean of its divisors is an integer number (216373018500).

Almost surely, 2^{2112121200002} is an apocalyptic number.

2112121200002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2112121200002 is a deficient number, since it is larger than the sum of its proper divisors (1349847095998).

2112121200002 is a wasteful number, since it uses less digits than its factorization.

2112121200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160276921.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2112121200002 its reverse (2000021212112), we get a palindrome (4112142412114).

The spelling of 2112121200002 in words is "two trillion, one hundred twelve billion, one hundred twenty-one million, two hundred thousand, two".