1133011321020 has 96 divisors (see below), whose sum is σ = 3525501537600. Its totient is φ = 302086858752.

The previous prime is 1133011321019. The next prime is 1133011321049. The reversal of 1133011321020 is 201231103311.

1133011321020 is a `hidden beast` number, since 1 + 1 + 330 + 11 + 321 + 0 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1133011320984 and 1133011321002.

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, 3188436 + ... + 3525924.

It is an arithmetic number, because the mean of its divisors is an integer number (36723974350).

Almost surely, 2^{1133011321020} is an apocalyptic number.

1133011321020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133011321020 is an abundant number, since it is smaller than the sum of its proper divisors (2392490216580).

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

1133011321020 is a wasteful number, since it uses less digits than its factorization.

1133011321020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343724 (or 343716 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1133011321020 its reverse (201231103311), we get a palindrome (1334242424331).

The spelling of 1133011321020 in words is "one trillion, one hundred thirty-three billion, eleven million, three hundred twenty-one thousand, twenty".