211120012011 has 16 divisors (see below), whose sum is σ = 293760297216. Its totient is φ = 134614371936.

The previous prime is 211120011997. The next prime is 211120012031. The reversal of 211120012011 is 110210021112.

It is not a de Polignac number, because 211120012011 - 2⁹ = 211120011499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211120012031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 607896 + ... + 889818.

It is an arithmetic number, because the mean of its divisors is an integer number (18360018576).

Almost surely, 2^211120012011 is an apocalyptic number.

211120012011 is a deficient number, since it is larger than the sum of its proper divisors (82640285205).

211120012011 is a wasteful number, since it uses less digits than its factorization.

211120012011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292802.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 211120012011 its reverse (110210021112), we get a palindrome (321330033123).

The spelling of 211120012011 in words is "two hundred eleven billion, one hundred twenty million, twelve thousand, eleven".