21222101095 has 32 divisors (see below), whose sum is σ = 27785286144. Its totient is φ = 15466512000.

The previous prime is 21222101077. The next prime is 21222101101. The reversal of 21222101095 is 59010122212.

It is not a de Polignac number, because 21222101095 - 2⁹ = 21222100583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7826790 + ... + 7829500.

It is an arithmetic number, because the mean of its divisors is an integer number (868290192).

Almost surely, 2^21222101095 is an apocalyptic number.

21222101095 is a deficient number, since it is larger than the sum of its proper divisors (6563185049).

21222101095 is a wasteful number, since it uses less digits than its factorization.

21222101095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4263.

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 21222101095 in words is "twenty-one billion, two hundred twenty-two million, one hundred one thousand, ninety-five".