201103211000 has 128 divisors (see below), whose sum is σ = 479081304000. Its totient is φ = 78991360000.

The previous prime is 201103210993. The next prime is 201103211137. The reversal of 201103211000 is 112301102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94457936 + ... + 94460064.

Almost surely, 2^201103211000 is an apocalyptic number.

201103211000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201103211000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239540652000).

201103211000 is an abundant number, since it is smaller than the sum of its proper divisors (277978093000).

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

201103211000 is a wasteful number, since it uses less digits than its factorization.

201103211000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810 (or 3796 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 201103211000 its reverse (112301102), we get a palindrome (201215512102).

The spelling of 201103211000 in words is "two hundred one billion, one hundred three million, two hundred eleven thousand".