1001201102011 has 16 divisors (see below), whose sum is σ = 1098641281248. Its totient is φ = 904832281600.

The previous prime is 1001201102003. The next prime is 1001201102021. The reversal of 1001201102011 is 1102011021001.

It is a cyclic number.

It is not a de Polignac number, because 1001201102011 - 2³ = 1001201102003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001201102021) 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, 26206155 + ... + 26244331.

It is an arithmetic number, because the mean of its divisors is an integer number (68665080078).

Almost surely, 2^{1001201102011} is an apocalyptic number.

1001201102011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1001201102011 is a deficient number, since it is larger than the sum of its proper divisors (97440179237).

1001201102011 is a wasteful number, since it uses less digits than its factorization.

1001201102011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52142.

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

Adding to 1001201102011 its reverse (1102011021001), we get a palindrome (2103212123012).

The spelling of 1001201102011 in words is "one trillion, one billion, two hundred one million, one hundred two thousand, eleven".