2001200101111 has 8 divisors (see below), whose sum is σ = 2001751893648. Its totient is φ = 2000648400000.

The previous prime is 2001200101093. The next prime is 2001200101133. The reversal of 2001200101111 is 1111010021002.

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 2001200101111 - 2¹⁷ = 2001199970039 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 (2001200101151) 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, 68682016 + ... + 68711146.

It is an arithmetic number, because the mean of its divisors is an integer number (250218986706).

Almost surely, 2^{2001200101111} is an apocalyptic number.

2001200101111 is a deficient number, since it is larger than the sum of its proper divisors (551792537).

2001200101111 is an equidigital number, since it uses as much as digits as its factorization.

2001200101111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45713.

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

Adding to 2001200101111 its reverse (1111010021002), we get a palindrome (3112210122113).

The spelling of 2001200101111 in words is "two trillion, one billion, two hundred million, one hundred one thousand, one hundred eleven".