9100020109202 has 24 divisors (see below), whose sum is σ = 15152304205836. Its totient is φ = 4095418580000.

The previous prime is 9100020109189. The next prime is 9100020109207. The reversal of 9100020109202 is 2029010200019.

It is a happy number.

9100020109202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5639679789601 + 3460340319601 = 2374801^2 + 1860199^2 .

It is not an unprimeable number, because it can be changed into a prime (9100020109207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 186130949 + ... + 186179832.

Almost surely, 2^{9100020109202} is an apocalyptic number.

9100020109202 is a deficient number, since it is larger than the sum of its proper divisors (6052284096634).

9100020109202 is a wasteful number, since it uses less digits than its factorization.

9100020109202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372310906 (or 372310895 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 26.

It can be divided in two parts, 91000 and 20109202, that added together give a palindrome (20200202).

The spelling of 9100020109202 in words is "nine trillion, one hundred billion, twenty million, one hundred nine thousand, two hundred two".