1012111011001 has 8 divisors (see below), whose sum is σ = 1072530216000. Its totient is φ = 952406826480.

The previous prime is 1012111010987. The next prime is 1012111011017. The reversal of 1012111011001 is 1001101112101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1012111011001 - 2²³ = 1012102622393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012111011071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178752205 + ... + 178757866.

It is an arithmetic number, because the mean of its divisors is an integer number (134066277000).

Almost surely, 2^{1012111011001} is an apocalyptic number.

It is an amenable number.

1012111011001 is a deficient number, since it is larger than the sum of its proper divisors (60419204999).

1012111011001 is a wasteful number, since it uses less digits than its factorization.

1012111011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357510239.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 1012111011001 its reverse (1001101112101), we get a palindrome (2013212123102).

The spelling of 1012111011001 in words is "one trillion, twelve billion, one hundred eleven million, eleven thousand, one".