11101210100001 has 48 divisors (see below), whose sum is σ = 18589045662720. Its totient is φ = 6252476922720.

The previous prime is 11101210099997. The next prime is 11101210100039. The reversal of 11101210100001 is 10000101210111.

It is not a de Polignac number, because 11101210100001 - 2² = 11101210099997 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (11101210100041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15954510 + ... + 16635768.

It is an arithmetic number, because the mean of its divisors is an integer number (387271784640).

Almost surely, 2^{11101210100001} is an apocalyptic number.

It is an amenable number.

11101210100001 is a deficient number, since it is larger than the sum of its proper divisors (7487835562719).

11101210100001 is a wasteful number, since it uses less digits than its factorization.

11101210100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684986 (or 684983 counting only the distinct ones).

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

Adding to 11101210100001 its reverse (10000101210111), we get a palindrome (21101311310112).

The spelling of 11101210100001 in words is "eleven trillion, one hundred one billion, two hundred ten million, one hundred thousand, one".