102221220022109 has 8 divisors (see below), whose sum is σ = 109227207580920. Its totient is φ = 95325562976256.

The previous prime is 102221220022093. The next prime is 102221220022139. The reversal of 102221220022109 is 901220022122201.

It can be written as a sum of positive squares in 4 ways, for example, as 47761616916484 + 54459603105625 = 6910978^2 + 7379675^2 .

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 102221220022109 - 2⁴ = 102221220022093 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 (102221220022139) 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, 27582626324 + ... + 27582630029.

It is an arithmetic number, because the mean of its divisors is an integer number (13653400947615).

Almost surely, 2^{102221220022109} is an apocalyptic number.

It is an amenable number.

102221220022109 is a deficient number, since it is larger than the sum of its proper divisors (7005987558811).

102221220022109 is a wasteful number, since it uses less digits than its factorization.

102221220022109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55165256479.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 102221220022109 in words is "one hundred two trillion, two hundred twenty-one billion, two hundred twenty million, twenty-two thousand, one hundred nine".