11101012221001 has 16 divisors (see below), whose sum is σ = 11632470626304. Its totient is φ = 10583233580304.

The previous prime is 11101012220999. The next prime is 11101012221029. The reversal of 11101012221001 is 10012221010111.

It is a happy number.

11101012221001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11101012221001 - 2¹ = 11101012220999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101012221301) 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, 6741715 + ... + 8225128.

It is an arithmetic number, because the mean of its divisors is an integer number (727029414144).

Almost surely, 2^{11101012221001} is an apocalyptic number.

It is an amenable number.

11101012221001 is a deficient number, since it is larger than the sum of its proper divisors (531458405303).

11101012221001 is a wasteful number, since it uses less digits than its factorization.

11101012221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14967300.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11101012221001 its reverse (10012221010111), we get a palindrome (21113233231112).

The spelling of 11101012221001 in words is "eleven trillion, one hundred one billion, twelve million, two hundred twenty-one thousand, one".