21220102096 has 20 divisors (see below), whose sum is σ = 41116214500. Its totient is φ = 10609466112.

The previous prime is 21220102093. The next prime is 21220102097. The reversal of 21220102096 is 69020102212.

It can be written as a sum of positive squares in 2 ways, for example, as 12859560000 + 8360542096 = 113400^2 + 91436^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 21220102096.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21220102093) 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, 513700 + ... + 553468.

It is an arithmetic number, because the mean of its divisors is an integer number (2055810725).

Almost surely, 2^21220102096 is an apocalyptic number.

It is an amenable number.

21220102096 is a deficient number, since it is larger than the sum of its proper divisors (19896112404).

21220102096 is a wasteful number, since it uses less digits than its factorization.

21220102096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73126 (or 73120 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 21220102096 in words is "twenty-one billion, two hundred twenty million, one hundred two thousand, ninety-six".