2201221001101 has 4 divisors (see below), whose sum is σ = 2201321183292. Its totient is φ = 2201120818912.

The previous prime is 2201221001033. The next prime is 2201221001113. The reversal of 2201221001101 is 1011001221022.

2201221001101 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.

It can be written as a sum of positive squares in 2 ways, for example, as 1829456425476 + 371764575625 = 1352574^2 + 609725^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201221001101 - 2¹³ = 2201220992909 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 (2201221008101) 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, 50058130 + ... + 50102083.

It is an arithmetic number, because the mean of its divisors is an integer number (550330295823).

Almost surely, 2^{2201221001101} is an apocalyptic number.

It is an amenable number.

2201221001101 is a deficient number, since it is larger than the sum of its proper divisors (100182191).

2201221001101 is a wasteful number, since it uses less digits than its factorization.

2201221001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100182190.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2201221001101 its reverse (1011001221022), we get a palindrome (3212222222123).

The spelling of 2201221001101 in words is "two trillion, two hundred one billion, two hundred twenty-one million, one thousand, one hundred one".