11101002221101 has 16 divisors (see below), whose sum is σ = 12658270799664. Its totient is φ = 9644222444544.

The previous prime is 11101002221081. The next prime is 11101002221119. The reversal of 11101002221101 is 10112220010111.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 218584300900 + 10882417920201 = 467530^2 + 3298851^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101002221101 - 2⁵ = 11101002221069 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101002221171) 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, 42043371 + ... + 42306583.

It is an arithmetic number, because the mean of its divisors is an integer number (791141924979).

Almost surely, 2^{11101002221101} is an apocalyptic number.

It is an amenable number.

11101002221101 is a deficient number, since it is larger than the sum of its proper divisors (1557268578563).

11101002221101 is a wasteful number, since it uses less digits than its factorization.

11101002221101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454080.

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

Adding to 11101002221101 its reverse (10112220010111), we get a palindrome (21213222231212).

The spelling of 11101002221101 in words is "eleven trillion, one hundred one billion, two million, two hundred twenty-one thousand, one hundred one".