11101002121201 has 4 divisors (see below), whose sum is σ = 11101239029872. Its totient is φ = 11100765212532.

The previous prime is 11101002121147. The next prime is 11101002121211. The reversal of 11101002121201 is 10212120010111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11101002121201 - 2¹⁷ = 11101001990129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11101002121211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118384035 + ... + 118477768.

It is an arithmetic number, because the mean of its divisors is an integer number (2775309757468).

Almost surely, 2^{11101002121201} is an apocalyptic number.

It is an amenable number.

11101002121201 is a deficient number, since it is larger than the sum of its proper divisors (236908671).

11101002121201 is an equidigital number, since it uses as much as digits as its factorization.

11101002121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236908670.

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

Adding to 11101002121201 its reverse (10212120010111), we get a palindrome (21313122131312).

The spelling of 11101002121201 in words is "eleven trillion, one hundred one billion, two million, one hundred twenty-one thousand, two hundred one".