212211110112001 has 128 divisors (see below), whose sum is σ = 292374242721792. Its totient is φ = 148681350144000.

The previous prime is 212211110111971. The next prime is 212211110112013. The reversal of 212211110112001 is 100211011112212.

It is a cyclic number.

It is not a de Polignac number, because 212211110112001 - 2¹¹ = 212211110109953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212211110112301) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 22597281016 + ... + 22597290406.

It is an arithmetic number, because the mean of its divisors is an integer number (2284173771264).

Almost surely, 2^{212211110112001} is an apocalyptic number.

It is an amenable number.

212211110112001 is a deficient number, since it is larger than the sum of its proper divisors (80163132609791).

212211110112001 is a wasteful number, since it uses less digits than its factorization.

212211110112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11703.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 212211110112001 its reverse (100211011112212), we get a palindrome (312422121224213).

The spelling of 212211110112001 in words is "two hundred twelve trillion, two hundred eleven billion, one hundred ten million, one hundred twelve thousand, one".