1001020132111 has 4 divisors (see below), whose sum is σ = 1059903669312. Its totient is φ = 942136594912.

The previous prime is 1001020132087. The next prime is 1001020132157. The reversal of 1001020132111 is 1112310201001.

It is a happy number.

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 1001020132111 - 2¹³ = 1001020123919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1001020132091 and 1001020132100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001020132711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29441768575 + ... + 29441768608.

It is an arithmetic number, because the mean of its divisors is an integer number (264975917328).

Almost surely, 2^{1001020132111} is an apocalyptic number.

1001020132111 is a deficient number, since it is larger than the sum of its proper divisors (58883537201).

1001020132111 is an equidigital number, since it uses as much as digits as its factorization.

1001020132111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58883537200.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 1001020132111 its reverse (1112310201001), we get a palindrome (2113330333112).

The spelling of 1001020132111 in words is "one trillion, one billion, twenty million, one hundred thirty-two thousand, one hundred eleven".