2222222220101 has 8 divisors (see below), whose sum is σ = 2394282290904. Its totient is φ = 2050322135040.

The previous prime is 2222222220079. The next prime is 2222222220143. The reversal of 2222222220101 is 1010222222222.

It can be written as a sum of positive squares in 4 ways, for example, as 193309708900 + 2028912511201 = 439670^2 + 1424399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2222222220101 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 (2222222220191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39967580 + ... + 40023141.

It is an arithmetic number, because the mean of its divisors is an integer number (299285286363).

Almost surely, 2^{2222222220101} is an apocalyptic number.

It is an amenable number.

2222222220101 is a deficient number, since it is larger than the sum of its proper divisors (172060070803).

2222222220101 is a wasteful number, since it uses less digits than its factorization.

2222222220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79992871.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2222222220101 its reverse (1010222222222), we get a palindrome (3232444442323).

The spelling of 2222222220101 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty thousand, one hundred one".