211000131011 has 4 divisors (see below), whose sum is σ = 212397483024. Its totient is φ = 209602779000.

The previous prime is 211000130977. The next prime is 211000131047. The reversal of 211000131011 is 110131000112.

It is a happy number.

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 211000131011 - 2³⁴ = 193820261827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211000130983 and 211000131001.

It is not an unprimeable number, because it can be changed into a prime (211000133011) 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, 698675780 + ... + 698676081.

It is an arithmetic number, because the mean of its divisors is an integer number (53099370756).

Almost surely, 2^211000131011 is an apocalyptic number.

211000131011 is a deficient number, since it is larger than the sum of its proper divisors (1397352013).

211000131011 is a wasteful number, since it uses less digits than its factorization.

211000131011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397352012.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 211000131011 its reverse (110131000112), we get a palindrome (321131131123).

The spelling of 211000131011 in words is "two hundred eleven billion, one hundred thirty-one thousand, eleven".