11101010210001 has 24 divisors (see below), whose sum is σ = 16520115501864. Its totient is φ = 7177940202240.

The previous prime is 11101010209999. The next prime is 11101010210029. The reversal of 11101010210001 is 10001201010111.

It can be written as a sum of positive squares in 4 ways, for example, as 2034431532225 + 9066578677776 = 1426335^2 + 3011076^2 .

It is not a de Polignac number, because 11101010210001 - 2¹ = 11101010209999 is a prime.

It is a super-2 number, since 2×11101010210001² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11101010210501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52475460 + ... + 52686581.

It is an arithmetic number, because the mean of its divisors is an integer number (688338145911).

Almost surely, 2^{11101010210001} is an apocalyptic number.

It is an amenable number.

11101010210001 is a deficient number, since it is larger than the sum of its proper divisors (5419105291863).

11101010210001 is a wasteful number, since it uses less digits than its factorization.

11101010210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105162401 (or 105162398 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11101010210001 its reverse (10001201010111), we get a palindrome (21102211220112).

The spelling of 11101010210001 in words is "eleven trillion, one hundred one billion, ten million, two hundred ten thousand, one".