1002202121001 has 32 divisors (see below), whose sum is σ = 1385883648000. Its totient is φ = 643795104960.

The previous prime is 1002202120979. The next prime is 1002202121017. The reversal of 1002202121001 is 1001212022001.

It is not a de Polignac number, because 1002202121001 - 2⁷ = 1002202120873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1002202141001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7027200 + ... + 7168398.

It is an arithmetic number, because the mean of its divisors is an integer number (43308864000).

Almost surely, 2^{1002202121001} is an apocalyptic number.

It is an amenable number.

1002202121001 is a deficient number, since it is larger than the sum of its proper divisors (383681526999).

1002202121001 is a wasteful number, since it uses less digits than its factorization.

1002202121001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142029.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1002202121001 its reverse (1001212022001), we get a palindrome (2003414143002).

The spelling of 1002202121001 in words is "one trillion, two billion, two hundred two million, one hundred twenty-one thousand, one".