1011312102011 has 4 divisors (see below), whose sum is σ = 1020590194800. Its totient is φ = 1002034009224.

The previous prime is 1011312101957. The next prime is 1011312102019. The reversal of 1011312102011 is 1102012131101.

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 1011312102011 - 2¹⁰ = 1011312100987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011312102019) 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, 4639046231 + ... + 4639046448.

It is an arithmetic number, because the mean of its divisors is an integer number (255147548700).

Almost surely, 2^{1011312102011} is an apocalyptic number.

1011312102011 is a deficient number, since it is larger than the sum of its proper divisors (9278092789).

1011312102011 is an equidigital number, since it uses as much as digits as its factorization.

1011312102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9278092788.

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

Adding to 1011312102011 its reverse (1102012131101), we get a palindrome (2113324233112).

The spelling of 1011312102011 in words is "one trillion, eleven billion, three hundred twelve million, one hundred two thousand, eleven".