10102201009 has 6 divisors (see below), whose sum is σ = 10321716914. Its totient is φ = 9887258400.

The previous prime is 10102200883. The next prime is 10102201037. The reversal of 10102201009 is 90010220101.

It can be written as a sum of positive squares in only one way, i.e., 5647973409 + 4454227600 = 75153^2 + 66740^2 .

It is not a de Polignac number, because 10102201009 - 2⁷ = 10102200881 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10102200983 and 10102201001.

It is not an unprimeable number, because it can be changed into a prime (10102201079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2284392 + ... + 2288809.

Almost surely, 2^10102201009 is an apocalyptic number.

It is an amenable number.

10102201009 is a deficient number, since it is larger than the sum of its proper divisors (219515905).

10102201009 is an frugal number, since it uses more digits than its factorization.

10102201009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4573295 (or 4573248 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

The spelling of 10102201009 in words is "ten billion, one hundred two million, two hundred one thousand, nine".