2221331101 has 8 divisors (see below), whose sum is σ = 2427909984. Its totient is φ = 2015525520.

The previous prime is 2221331083. The next prime is 2221331107. The reversal of 2221331101 is 1011331222.

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

It is a cyclic number.

It is not a de Polignac number, because 2221331101 - 2²¹ = 2219233949 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 (2221331107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187306 + ... + 198811.

It is an arithmetic number, because the mean of its divisors is an integer number (303488748).

Almost surely, 2^2221331101 is an apocalyptic number.

It is an amenable number.

2221331101 is a deficient number, since it is larger than the sum of its proper divisors (206578883).

2221331101 is a wasteful number, since it uses less digits than its factorization.

2221331101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386651.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2221331101 is about 47130.9993634763. Note that the first 3 decimals coincide. The cubic root of 2221331101 is about 1304.7814259867.

Adding to 2221331101 its reverse (1011331222), we get a palindrome (3232662323).

The spelling of 2221331101 in words is "two billion, two hundred twenty-one million, three hundred thirty-one thousand, one hundred one".