212112202111101 has 24 divisors (see below), whose sum is σ = 308468780100000. Its totient is φ = 140446236930912.

The previous prime is 212112202111097. The next prime is 212112202111111. The reversal of 212112202111101 is 101111202211212.

It is a happy number.

212112202111101 is a `hidden beast` number, since 2 + 121 + 1 + 220 + 211 + 110 + 1 = 666.

212112202111101 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 212112202111101 - 2² = 212112202111097 is a prime.

It is a super-2 number, since 2×212112202111101² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212112202111111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7439350 + ... + 21899048.

It is an arithmetic number, because the mean of its divisors is an integer number (12852865837500).

Almost surely, 2^{212112202111101} is an apocalyptic number.

It is an amenable number.

212112202111101 is a deficient number, since it is larger than the sum of its proper divisors (96356577988899).

212112202111101 is a wasteful number, since it uses less digits than its factorization.

212112202111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14470793 (or 14470790 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 212112202111101 its reverse (101111202211212), we get a palindrome (313223404322313).

The spelling of 212112202111101 in words is "two hundred twelve trillion, one hundred twelve billion, two hundred two million, one hundred eleven thousand, one hundred one".