1011332112001 has 4 divisors (see below), whose sum is σ = 1013584522500. Its totient is φ = 1009079701504.

The previous prime is 1011332111989. The next prime is 1011332112019. The reversal of 1011332112001 is 1002112331101.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 645694209601 + 365637902400 = 803551^2 + 604680^2 .

It is a cyclic number.

It is not a de Polignac number, because 1011332112001 - 2⁷ = 1011332111873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011332112061) 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, 1126204576 + ... + 1126205473.

It is an arithmetic number, because the mean of its divisors is an integer number (253396130625).

Almost surely, 2^{1011332112001} is an apocalyptic number.

It is an amenable number.

1011332112001 is a deficient number, since it is larger than the sum of its proper divisors (2252410499).

1011332112001 is an equidigital number, since it uses as much as digits as its factorization.

1011332112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252410498.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1011332112001 its reverse (1002112331101), we get a palindrome (2013444443102).

The spelling of 1011332112001 in words is "one trillion, eleven billion, three hundred thirty-two million, one hundred twelve thousand, one".