211011120011 has 4 divisors (see below), whose sum is σ = 214992461952. Its totient is φ = 207029778072.

The previous prime is 211011119971. The next prime is 211011120043. The reversal of 211011120011 is 110021110112.

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 211011120011 - 2¹⁰ = 211011118987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211011119974 and 211011120001.

It is not an unprimeable number, because it can be changed into a prime (211011120071) 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, 1990670891 + ... + 1990670996.

It is an arithmetic number, because the mean of its divisors is an integer number (53748115488).

Almost surely, 2^211011120011 is an apocalyptic number.

211011120011 is a deficient number, since it is larger than the sum of its proper divisors (3981341941).

211011120011 is an equidigital number, since it uses as much as digits as its factorization.

211011120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981341940.

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

Adding to 211011120011 its reverse (110021110112), we get a palindrome (321032230123).

The spelling of 211011120011 in words is "two hundred eleven billion, eleven million, one hundred twenty thousand, eleven".