211012220111101 has 8 divisors (see below), whose sum is σ = 211355613359424. Its totient is φ = 210668831382240.

The previous prime is 211012220111093. The next prime is 211012220111107. The reversal of 211012220111101 is 101111022210112.

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 211012220111101 - 2³ = 211012220111093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211012220111107) 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, 99628536 + ... + 101724478.

It is an arithmetic number, because the mean of its divisors is an integer number (26419451669928).

Almost surely, 2^{211012220111101} is an apocalyptic number.

It is an amenable number.

211012220111101 is a deficient number, since it is larger than the sum of its proper divisors (343393248323).

211012220111101 is a wasteful number, since it uses less digits than its factorization.

211012220111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259731.

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

Adding to 211012220111101 its reverse (101111022210112), we get a palindrome (312123242321213).

The spelling of 211012220111101 in words is "two hundred eleven trillion, twelve billion, two hundred twenty million, one hundred eleven thousand, one hundred one".