1011132320021 has 8 divisors (see below), whose sum is σ = 1017385384224. Its totient is φ = 1004879863440.

The previous prime is 1011132319973. The next prime is 1011132320131. The reversal of 1011132320021 is 1200232311101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1011132320021 - 2¹⁸ = 1011132057877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011132320321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3449591 + ... + 3731211.

It is an arithmetic number, because the mean of its divisors is an integer number (127173173028).

Almost surely, 2^{1011132320021} is an apocalyptic number.

It is an amenable number.

1011132320021 is a deficient number, since it is larger than the sum of its proper divisors (6253064203).

1011132320021 is a wasteful number, since it uses less digits than its factorization.

1011132320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303811.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1011132320021 its reverse (1200232311101), we get a palindrome (2211364631122).

The spelling of 1011132320021 in words is "one trillion, eleven billion, one hundred thirty-two million, three hundred twenty thousand, twenty-one".