211112011001 has 8 divisors (see below), whose sum is σ = 227396949504. Its totient is φ = 195419252160.

The previous prime is 211112010997. The next prime is 211112011021. The reversal of 211112011001 is 100110211112.

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 211112011001 - 2² = 211112010997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211112011021) 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, 148044176 + ... + 148045601.

It is an arithmetic number, because the mean of its divisors is an integer number (28424618688).

Almost surely, 2^211112011001 is an apocalyptic number.

It is an amenable number.

211112011001 is a deficient number, since it is larger than the sum of its proper divisors (16284938503).

211112011001 is a wasteful number, since it uses less digits than its factorization.

211112011001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296089831.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 211112011001 its reverse (100110211112), we get a palindrome (311222222113).

The spelling of 211112011001 in words is "two hundred eleven billion, one hundred twelve million, eleven thousand, one".