2201100021101 has 4 divisors (see below), whose sum is σ = 2201106506304. Its totient is φ = 2201093535900.

The previous prime is 2201100021073. The next prime is 2201100021149. The reversal of 2201100021101 is 1011200011022.

2201100021101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-2201100021101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201100021191) 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, 2703635 + ... + 3422256.

It is an arithmetic number, because the mean of its divisors is an integer number (550276626576).

Almost surely, 2^{2201100021101} is an apocalyptic number.

It is an amenable number.

2201100021101 is a deficient number, since it is larger than the sum of its proper divisors (6485203).

2201100021101 is an equidigital number, since it uses as much as digits as its factorization.

2201100021101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6485202.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 2201100021101 its reverse (1011200011022), we get a palindrome (3212300032123).

The spelling of 2201100021101 in words is "two trillion, two hundred one billion, one hundred million, twenty-one thousand, one hundred one".