211020131133 has 24 divisors (see below), whose sum is σ = 353257047936. Its totient is φ = 118884578400.

The previous prime is 211020131123. The next prime is 211020131197. The reversal of 211020131133 is 331131020112.

It is not a de Polignac number, because 211020131133 - 2⁹ = 211020130621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020131123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23583738 + ... + 23592683.

It is an arithmetic number, because the mean of its divisors is an integer number (14719043664).

Almost surely, 2^211020131133 is an apocalyptic number.

It is an amenable number.

211020131133 is a deficient number, since it is larger than the sum of its proper divisors (142236916803).

211020131133 is a wasteful number, since it uses less digits than its factorization.

211020131133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47176505 (or 47176502 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 211020131133 its reverse (331131020112), we get a palindrome (542151151245).

The spelling of 211020131133 in words is "two hundred eleven billion, twenty million, one hundred thirty-one thousand, one hundred thirty-three".