2002122201009 has 96 divisors (see below), whose sum is σ = 3265988014080. Its totient is φ = 1068460581888.

The previous prime is 2002122200993. The next prime is 2002122201029. The reversal of 2002122201009 is 9001022212002.

It is a happy number.

It is not a de Polignac number, because 2002122201009 - 2⁴ = 2002122200993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2002122201029) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 429361212 + ... + 429365874.

It is an arithmetic number, because the mean of its divisors is an integer number (34020708480).

Almost surely, 2^{2002122201009} is an apocalyptic number.

It is an amenable number.

2002122201009 is a deficient number, since it is larger than the sum of its proper divisors (1263865813071).

2002122201009 is a wasteful number, since it uses less digits than its factorization.

2002122201009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5239 (or 5222 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 2002122201009 in words is "two trillion, two billion, one hundred twenty-two million, two hundred one thousand, nine".