212121022200112 has 10 divisors (see below), whose sum is σ = 410984480512748. Its totient is φ = 106060511100048.

The previous prime is 212121022200107. The next prime is 212121022200119. The reversal of 212121022200112 is 211002220121212.

It is a super-3 number, since 3×212121022200112³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 212121022200112.

It is not an unprimeable number, because it can be changed into a prime (212121022200119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6628781943738 + ... + 6628781943769.

Almost surely, 2^{212121022200112} is an apocalyptic number.

It is an amenable number.

212121022200112 is a deficient number, since it is larger than the sum of its proper divisors (198863458312636).

212121022200112 is a wasteful number, since it uses less digits than its factorization.

212121022200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13257563887515 (or 13257563887509 counting only the distinct ones).

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

Adding to 212121022200112 its reverse (211002220121212), we get a palindrome (423123242321324).

The spelling of 212121022200112 in words is "two hundred twelve trillion, one hundred twenty-one billion, twenty-two million, two hundred thousand, one hundred twelve".