211120001011 has 4 divisors (see below), whose sum is σ = 214093522224. Its totient is φ = 208146479800.

The previous prime is 211120000969. The next prime is 211120001033. The reversal of 211120001011 is 110100021112.

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 211120001011 - 2⁹ = 211120000499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211120002011) 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, 1486760500 + ... + 1486760641.

It is an arithmetic number, because the mean of its divisors is an integer number (53523380556).

Almost surely, 2^211120001011 is an apocalyptic number.

211120001011 is a deficient number, since it is larger than the sum of its proper divisors (2973521213).

211120001011 is an equidigital number, since it uses as much as digits as its factorization.

211120001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973521212.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 211120001011 its reverse (110100021112), we get a palindrome (321220022123).

The spelling of 211120001011 in words is "two hundred eleven billion, one hundred twenty million, one thousand, eleven".