212100121002110 has 64 divisors (see below), whose sum is σ = 424483424501760. Its totient is φ = 75660239128320.

The previous prime is 212100121002059. The next prime is 212100121002151. The reversal of 212100121002110 is 11200121001212.

It is a super-2 number, since 2×212100121002110² (a number of 29 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 84051854 + ... + 86538513.

It is an arithmetic number, because the mean of its divisors is an integer number (6632553507840).

Almost surely, 2^{212100121002110} is an apocalyptic number.

212100121002110 is an abundant number, since it is smaller than the sum of its proper divisors (212383303499650).

212100121002110 is a wasteful number, since it uses less digits than its factorization.

212100121002110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170590601.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 212100121002110 its reverse (11200121001212), we get a palindrome (223300242003322).

The spelling of 212100121002110 in words is "two hundred twelve trillion, one hundred billion, one hundred twenty-one million, two thousand, one hundred ten".