1133221111000 has 128 divisors (see below), whose sum is σ = 2921448928320. Its totient is φ = 408000000000.

The previous prime is 1133221110977. The next prime is 1133221111031. The reversal of 1133221111000 is 1111223311.

It is a happy number.

It is a zygodrome in base 10.

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, 601000 + ... + 1621000.

Almost surely, 2^{1133221111000} is an apocalyptic number.

1133221111000 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 1133221111000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1460724464160).

1133221111000 is an abundant number, since it is smaller than the sum of its proper divisors (1788227817320).

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

1133221111000 is a wasteful number, since it uses less digits than its factorization.

1133221111000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020134 (or 1020120 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1133221111000 its reverse (1111223311), we get a palindrome (1134332334311).

The spelling of 1133221111000 in words is "one trillion, one hundred thirty-three billion, two hundred twenty-one million, one hundred eleven thousand".