1001312102111 has 4 divisors (see below), whose sum is σ = 1002012811800. Its totient is φ = 1000611392424.

The previous prime is 1001312102081. The next prime is 1001312102171. The reversal of 1001312102111 is 1112012131001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001312102111 is a prime.

It is a super-3 number, since 3×1001312102111³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001312102171) 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, 350352701 + ... + 350355558.

It is an arithmetic number, because the mean of its divisors is an integer number (250503202950).

Almost surely, 2^{1001312102111} is an apocalyptic number.

1001312102111 is a deficient number, since it is larger than the sum of its proper divisors (700709689).

1001312102111 is an equidigital number, since it uses as much as digits as its factorization.

1001312102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700709688.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 1001312102111 its reverse (1112012131001), we get a palindrome (2113324233112).

The spelling of 1001312102111 in words is "one trillion, one billion, three hundred twelve million, one hundred two thousand, one hundred eleven".