211033211020 has 48 divisors (see below), whose sum is σ = 447436378368. Its totient is φ = 83601745920.

The previous prime is 211033210963. The next prime is 211033211027. The reversal of 211033211020 is 20112330112.

It is a junction number, because it is equal to n+sod(n) for n = 211033210985 and 211033211003.

It is not an unprimeable number, because it can be changed into a prime (211033211027) 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, 2950117 + ... + 3020803.

It is an arithmetic number, because the mean of its divisors is an integer number (9321591216).

Almost surely, 2^211033211020 is an apocalyptic number.

211033211020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211033211020 is an abundant number, since it is smaller than the sum of its proper divisors (236403167348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211033211020 is a wasteful number, since it uses less digits than its factorization.

211033211020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72130 (or 72128 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 211033211020 its reverse (20112330112), we get a palindrome (231145541132).

The spelling of 211033211020 in words is "two hundred eleven billion, thirty-three million, two hundred eleven thousand, twenty".