11211001201101 has 16 divisors (see below), whose sum is σ = 16170035549696. Its totient is φ = 6868140088896.

The previous prime is 11211001201063. The next prime is 11211001201129. The reversal of 11211001201101 is 10110210011211.

It is not a de Polignac number, because 11211001201101 - 2¹⁸ = 11211000938957 is a prime.

It is a super-2 number, since 2×11211001201101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211001201151) 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, 644523970 + ... + 644541363.

It is an arithmetic number, because the mean of its divisors is an integer number (1010627221856).

Almost surely, 2^{11211001201101} is an apocalyptic number.

It is an amenable number.

11211001201101 is a deficient number, since it is larger than the sum of its proper divisors (4959034348595).

11211001201101 is a wasteful number, since it uses less digits than its factorization.

11211001201101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289065572.

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

Adding to 11211001201101 its reverse (10110210011211), we get a palindrome (21321211212312).

The spelling of 11211001201101 in words is "eleven trillion, two hundred eleven billion, one million, two hundred one thousand, one hundred one".