2222221101 has 4 divisors (see below), whose sum is σ = 2962961472. Its totient is φ = 1481480732.

The previous prime is 2222221087. The next prime is 2222221121. The reversal of 2222221101 is 1011222222.

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 2222221101 - 2⁵ = 2222221069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222221121) 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, 370370181 + ... + 370370186.

It is an arithmetic number, because the mean of its divisors is an integer number (740740368).

Almost surely, 2^2222221101 is an apocalyptic number.

It is an amenable number.

2222221101 is a deficient number, since it is larger than the sum of its proper divisors (740740371).

2222221101 is an equidigital number, since it uses as much as digits as its factorization.

2222221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740740370.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2222221101 is about 47140.4401867441. The cubic root of 2222221101 is about 1304.9556609178.

Adding to 2222221101 its reverse (1011222222), we get a palindrome (3233443323).

The spelling of 2222221101 in words is "two billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred one".