1132021221000 has 64 divisors (see below), whose sum is σ = 3531906218880. Its totient is φ = 301872324800.

The previous prime is 1132021220983. The next prime is 1132021221007. The reversal of 1132021221000 is 1221202311.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1132021221007) 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, 188667204 + ... + 188673203.

It is an arithmetic number, because the mean of its divisors is an integer number (55186034670).

Almost surely, 2^{1132021221000} is an apocalyptic number.

1132021221000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1132021221000 is an abundant number, since it is smaller than the sum of its proper divisors (2399884997880).

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

1132021221000 is a wasteful number, since it uses less digits than its factorization.

1132021221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377340431 (or 377340417 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1132021221000 its reverse (1221202311), we get a palindrome (1133242423311).

The spelling of 1132021221000 in words is "one trillion, one hundred thirty-two billion, twenty-one million, two hundred twenty-one thousand".