212102112221002 has 16 divisors (see below), whose sum is σ = 318685074278400. Its totient is φ = 105873768131472.

The previous prime is 212102112220981. The next prime is 212102112221029. The reversal of 212102112221002 is 200122211201212.

It is a super-2 number, since 2×212102112221002² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26915463 + ... + 33891685.

It is an arithmetic number, because the mean of its divisors is an integer number (19917817142400).

Almost surely, 2^{212102112221002} is an apocalyptic number.

212102112221002 is a deficient number, since it is larger than the sum of its proper divisors (106582962057398).

212102112221002 is a wasteful number, since it uses less digits than its factorization.

212102112221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7001637.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 212102112221002 its reverse (200122211201212), we get a palindrome (412224323422214).

The spelling of 212102112221002 in words is "two hundred twelve trillion, one hundred two billion, one hundred twelve million, two hundred twenty-one thousand, two".