1134221042020 has 144 divisors (see below), whose sum is σ = 2653405413120. Its totient is φ = 406888035840.

The previous prime is 1134221041927. The next prime is 1134221042021. The reversal of 1134221042020 is 202401224311.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1134221041982 and 1134221042000.

It is not an unprimeable number, because it can be changed into a prime (1134221042021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 433403752 + ... + 433406368.

It is an arithmetic number, because the mean of its divisors is an integer number (18426426480).

Almost surely, 2^{1134221042020} is an apocalyptic number.

1134221042020 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 1134221042020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326702706560).

1134221042020 is an abundant number, since it is smaller than the sum of its proper divisors (1519184371100).

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

1134221042020 is a wasteful number, since it uses less digits than its factorization.

1134221042020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4994 (or 4981 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1134221042020 its reverse (202401224311), we get a palindrome (1336622266331).

The spelling of 1134221042020 in words is "one trillion, one hundred thirty-four billion, two hundred twenty-one million, forty-two thousand, twenty".