10001201022009 has 8 divisors (see below), whose sum is σ = 14816594106720. Its totient is φ = 6667467347988.

The previous prime is 10001201021969. The next prime is 10001201022049. The reversal of 10001201022009 is 90022010210001.

It is an interprime number because it is at equal distance from previous prime (10001201021969) and next prime (10001201022049).

It is not a de Polignac number, because 10001201022009 - 2²³ = 10001192633401 is a prime.

It is a super-2 number, since 2×10001201022009² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10001201021982 and 10001201022000.

It is not an unprimeable number, because it can be changed into a prime (10001201022049) 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, 185207426307 + ... + 185207426360.

It is an arithmetic number, because the mean of its divisors is an integer number (1852074263340).

Almost surely, 2^{10001201022009} is an apocalyptic number.

It is an amenable number.

10001201022009 is a deficient number, since it is larger than the sum of its proper divisors (4815393084711).

10001201022009 is an equidigital number, since it uses as much as digits as its factorization.

10001201022009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370414852676 (or 370414852670 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 10001201022009 in words is "ten trillion, one billion, two hundred one million, twenty-two thousand, nine".