211112012101 has 8 divisors (see below), whose sum is σ = 223535833920. Its totient is φ = 198688797888.

The previous prime is 211112012081. The next prime is 211112012143. The reversal of 211112012101 is 101210211112.

It is a happy number.

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 211112012101 - 2²⁷ = 210977794373 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 (211112012191) 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, 699990 + ... + 955096.

It is an arithmetic number, because the mean of its divisors is an integer number (27941979240).

Almost surely, 2^211112012101 is an apocalyptic number.

It is an amenable number.

211112012101 is a deficient number, since it is larger than the sum of its proper divisors (12423821819).

211112012101 is a wasteful number, since it uses less digits than its factorization.

211112012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303803.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 211112012101 its reverse (101210211112), we get a palindrome (312322223213).

The spelling of 211112012101 in words is "two hundred eleven billion, one hundred twelve million, twelve thousand, one hundred one".