2112121000210 has 32 divisors (see below), whose sum is σ = 4096511677440. Its totient is φ = 779432184768.

The previous prime is 2112121000181. The next prime is 2112121000219. The reversal of 2112121000210 is 120001212112.

It is a super-2 number, since 2×2112121000210² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (2112121000219) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4219150 + ... + 4693129.

It is an arithmetic number, because the mean of its divisors is an integer number (128015989920).

Almost surely, 2^{2112121000210} is an apocalyptic number.

2112121000210 is a deficient number, since it is larger than the sum of its proper divisors (1984390677230).

2112121000210 is a wasteful number, since it uses less digits than its factorization.

2112121000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8914122.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2112121000210 its reverse (120001212112), we get a palindrome (2232122212322).

The spelling of 2112121000210 in words is "two trillion, one hundred twelve billion, one hundred twenty-one million, two hundred ten", and thus it is an aban number.