1011112002001 has 8 divisors (see below), whose sum is σ = 1015007336640. Its totient is φ = 1007217052752.

The previous prime is 1011112001953. The next prime is 1011112002011. The reversal of 1011112002001 is 1002002111101.

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 1011112002001 - 2¹⁹ = 1011111477713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011112002011) 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, 5870215 + ... + 6040003.

It is an arithmetic number, because the mean of its divisors is an integer number (126875917080).

Almost surely, 2^{1011112002001} is an apocalyptic number.

It is an amenable number.

1011112002001 is a deficient number, since it is larger than the sum of its proper divisors (3895334639).

1011112002001 is a wasteful number, since it uses less digits than its factorization.

1011112002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192695.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 1011112002001 its reverse (1002002111101), we get a palindrome (2013114113102).

The spelling of 1011112002001 in words is "one trillion, eleven billion, one hundred twelve million, two thousand, one".