211133114021 has 16 divisors (see below), whose sum is σ = 223040962560. Its totient is φ = 199305301680.

The previous prime is 211133114009. The next prime is 211133114029. The reversal of 211133114021 is 120411331112.

It is not a de Polignac number, because 211133114021 - 2¹⁰ = 211133112997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211133113984 and 211133114002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211133114029) 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, 23436500 + ... + 23445506.

It is an arithmetic number, because the mean of its divisors is an integer number (13940060160).

Almost surely, 2^211133114021 is an apocalyptic number.

It is an amenable number.

211133114021 is a deficient number, since it is larger than the sum of its proper divisors (11907848539).

211133114021 is a wasteful number, since it uses less digits than its factorization.

211133114021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13304.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 211133114021 its reverse (120411331112), we get a palindrome (331544445133).

The spelling of 211133114021 in words is "two hundred eleven billion, one hundred thirty-three million, one hundred fourteen thousand, twenty-one".