1020132320111 has 4 divisors (see below), whose sum is σ = 1029160039872. Its totient is φ = 1011104600352.

The previous prime is 1020132320083. The next prime is 1020132320131. The reversal of 1020132320111 is 1110232310201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1020132320111 - 2⁶ = 1020132320047 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020132320111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020132320131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4513859711 + ... + 4513859936.

It is an arithmetic number, because the mean of its divisors is an integer number (257290009968).

Almost surely, 2^{1020132320111} is an apocalyptic number.

1020132320111 is a deficient number, since it is larger than the sum of its proper divisors (9027719761).

1020132320111 is an equidigital number, since it uses as much as digits as its factorization.

1020132320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9027719760.

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

Adding to 1020132320111 its reverse (1110232310201), we get a palindrome (2130364630312).

The spelling of 1020132320111 in words is "one trillion, twenty billion, one hundred thirty-two million, three hundred twenty thousand, one hundred eleven".