1103021212000 has 384 divisors, whose sum is σ = 2987837798400. Its totient is φ = 398331648000.

The previous prime is 1103021211923. The next prime is 1103021212129. The reversal of 1103021212000 is 2121203011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 543626986 + ... + 543629014.

It is an arithmetic number, because the mean of its divisors is an integer number (7780827600).

Almost surely, 2^{1103021212000} is an apocalyptic number.

1103021212000 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 1103021212000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1493918899200).

1103021212000 is an abundant number, since it is smaller than the sum of its proper divisors (1884816586400).

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

1103021212000 is a wasteful number, since it uses less digits than its factorization.

1103021212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407 (or 2389 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1103021212000 its reverse (2121203011), we get a palindrome (1105142415011).

The spelling of 1103021212000 in words is "one trillion, one hundred three billion, twenty-one million, two hundred twelve thousand".