212100220221002 has 32 divisors (see below), whose sum is σ = 322237124947584. Its totient is φ = 104696322203200.

The previous prime is 212100220220989. The next prime is 212100220221037. The reversal of 212100220221002 is 200122022001212.

It is a happy 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, 553781627 + ... + 554164497.

It is an arithmetic number, because the mean of its divisors is an integer number (10069910154612).

Almost surely, 2^{212100220221002} is an apocalyptic number.

212100220221002 is a deficient number, since it is larger than the sum of its proper divisors (110136904726582).

212100220221002 is a wasteful number, since it uses less digits than its factorization.

212100220221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393934.

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

Adding to 212100220221002 its reverse (200122022001212), we get a palindrome (412222242222214).

The spelling of 212100220221002 in words is "two hundred twelve trillion, one hundred billion, two hundred twenty million, two hundred twenty-one thousand, two".