1001201000111 has 16 divisors (see below), whose sum is σ = 1083434462208. Its totient is φ = 919716492000.

The previous prime is 1001201000087. The next prime is 1001201000119. The reversal of 1001201000111 is 1110001021001.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1001201000111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001201000119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6865646 + ... + 7009956.

It is an arithmetic number, because the mean of its divisors is an integer number (67714653888).

Almost surely, 2^{1001201000111} is an apocalyptic number.

1001201000111 is a deficient number, since it is larger than the sum of its proper divisors (82233462097).

1001201000111 is a wasteful number, since it uses less digits than its factorization.

1001201000111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146902.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 1001201000111 its reverse (1110001021001), we get a palindrome (2111202021112).

The spelling of 1001201000111 in words is "one trillion, one billion, two hundred one million, one hundred eleven", and thus it is an aban number.