212011110001 has 8 divisors (see below), whose sum is σ = 216111271104. Its totient is φ = 207950185200.

The previous prime is 212011109993. The next prime is 212011110029. The reversal of 212011110001 is 100011110212.

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 212011110001 - 2³ = 212011109993 is a prime.

It is a super-2 number, since 2×212011110001² (a number of 23 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 212011110001.

It is not an unprimeable number, because it can be changed into a prime (212011110061) 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, 9798165 + ... + 9819778.

It is an arithmetic number, because the mean of its divisors is an integer number (27013908888).

Almost surely, 2^212011110001 is an apocalyptic number.

It is an amenable number.

212011110001 is a deficient number, since it is larger than the sum of its proper divisors (4100161103).

212011110001 is a wasteful number, since it uses less digits than its factorization.

212011110001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19618151.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 212011110001 its reverse (100011110212), we get a palindrome (312022220213).

The spelling of 212011110001 in words is "two hundred twelve billion, eleven million, one hundred ten thousand, one".