211112202011 has 4 divisors (see below), whose sum is σ = 211720594872. Its totient is φ = 210503809152.

The previous prime is 211112201983. The next prime is 211112202043. The reversal of 211112202011 is 110202211112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211112202011 - 2²² = 211108007707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211112202311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 304195910 + ... + 304196603.

It is an arithmetic number, because the mean of its divisors is an integer number (52930148718).

Almost surely, 2^211112202011 is an apocalyptic number.

211112202011 is a deficient number, since it is larger than the sum of its proper divisors (608392861).

211112202011 is an equidigital number, since it uses as much as digits as its factorization.

211112202011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608392860.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 211112202011 its reverse (110202211112), we get a palindrome (321314413123).

The spelling of 211112202011 in words is "two hundred eleven billion, one hundred twelve million, two hundred two thousand, eleven".