212120100112211 has 8 divisors (see below), whose sum is σ = 221438574070560. Its totient is φ = 202809614563072.

The previous prime is 212120100112199. The next prime is 212120100112241. The reversal of 212120100112211 is 112211001021212.

212120100112211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 212120100112211 - 2⁴⁶ = 141751355934547 is a prime.

It is a super-2 number, since 2×212120100112211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212120100112211.

It is not an unprimeable number, because it can be changed into a prime (212120100112241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1997048030 + ... + 1997154243.

It is an arithmetic number, because the mean of its divisors is an integer number (27679821758820).

Almost surely, 2^{212120100112211} is an apocalyptic number.

212120100112211 is a deficient number, since it is larger than the sum of its proper divisors (9318473958349).

212120100112211 is a wasteful number, since it uses less digits than its factorization.

212120100112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3994204605.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 212120100112211 its reverse (112211001021212), we get a palindrome (324331101133423).

Subtracting from 212120100112211 its reverse (112211001021212), we obtain a palindrome (99909099090999).

The spelling of 212120100112211 in words is "two hundred twelve trillion, one hundred twenty billion, one hundred million, one hundred twelve thousand, two hundred eleven".