11121011211001 has 16 divisors (see below), whose sum is σ = 11292280433280. Its totient is φ = 10951024780800.

The previous prime is 11121011210963. The next prime is 11121011211007. The reversal of 11121011211001 is 10011211012111.

It is a cyclic number.

It is not a de Polignac number, because 11121011211001 - 2²³ = 11121002822393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11121011211007) 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, 106453545 + ... + 106557961.

It is an arithmetic number, because the mean of its divisors is an integer number (705767527080).

Almost surely, 2^{11121011211001} is an apocalyptic number.

It is an amenable number.

11121011211001 is a deficient number, since it is larger than the sum of its proper divisors (171269222279).

11121011211001 is a wasteful number, since it uses less digits than its factorization.

11121011211001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110544.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11121011211001 its reverse (10011211012111), we get a palindrome (21132222223112).

The spelling of 11121011211001 in words is "eleven trillion, one hundred twenty-one billion, eleven million, two hundred eleven thousand, one".