1021133233200 has 240 divisors, whose sum is σ = 3414881210400. Its totient is φ = 260499456000.

The previous prime is 1021133233147. The next prime is 1021133233247. The reversal of 1021133233200 is 23323311201.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3658600 + ... + 3927800.

It is an arithmetic number, because the mean of its divisors is an integer number (14228671710).

Almost surely, 2^{1021133233200} is an apocalyptic number.

1021133233200 is a gapful number since it is divisible by the number (10) 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 1021133233200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1707440605200).

1021133233200 is an abundant number, since it is smaller than the sum of its proper divisors (2393747977200).

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

1021133233200 is a wasteful number, since it uses less digits than its factorization.

1021133233200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269360 (or 269349 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1021133233200 its reverse (23323311201), we get a palindrome (1044456544401).

The spelling of 1021133233200 in words is "one trillion, twenty-one billion, one hundred thirty-three million, two hundred thirty-three thousand, two hundred".