11211201001101 has 48 divisors (see below), whose sum is σ = 16156959137280. Its totient is φ = 6901644214080.

The previous prime is 11211201001097. The next prime is 11211201001139. The reversal of 11211201001101 is 10110010211211.

It is not a de Polignac number, because 11211201001101 - 2² = 11211201001097 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211201001141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 694657090 + ... + 694673228.

It is an arithmetic number, because the mean of its divisors is an integer number (336603315360).

Almost surely, 2^{11211201001101} is an apocalyptic number.

It is an amenable number.

11211201001101 is a deficient number, since it is larger than the sum of its proper divisors (4945758136179).

11211201001101 is a wasteful number, since it uses less digits than its factorization.

11211201001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28194 (or 28165 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11211201001101 its reverse (10110010211211), we get a palindrome (21321211212312).

The spelling of 11211201001101 in words is "eleven trillion, two hundred eleven billion, two hundred one million, one thousand, one hundred one".