2201101222211 has 4 divisors (see below), whose sum is σ = 2330577764712. Its totient is φ = 2071624679712.

The previous prime is 2201101222129. The next prime is 2201101222219. The reversal of 2201101222211 is 1122221011022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2201101222211 - 2¹⁸ = 2201100960067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 129476542483 = 2201101222211 / (2 + 2 + 0 + 1 + 1 + 0 + 1 + 2 + 2 + 2 + 2 + 1 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2201101222211.

It is not an unprimeable number, because it can be changed into a prime (2201101222219) 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, 64738271225 + ... + 64738271258.

It is an arithmetic number, because the mean of its divisors is an integer number (582644441178).

Almost surely, 2^{2201101222211} is an apocalyptic number.

2201101222211 is a deficient number, since it is larger than the sum of its proper divisors (129476542501).

2201101222211 is a wasteful number, since it uses less digits than its factorization.

2201101222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129476542500.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2201101222211 its reverse (1122221011022), we get a palindrome (3323322233233).

The spelling of 2201101222211 in words is "two trillion, two hundred one billion, one hundred one million, two hundred twenty-two thousand, two hundred eleven".