1002021103146 has 16 divisors (see below), whose sum is σ = 2290333950144. Its totient is φ = 286291743744.

The previous prime is 1002021103129. The next prime is 1002021103147. The reversal of 1002021103146 is 6413011202001.

It is a super-2 number, since 2×1002021103146² (a number of 25 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (1002021103147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11928822615 + ... + 11928822698.

It is an arithmetic number, because the mean of its divisors is an integer number (143145871884).

Almost surely, 2^{1002021103146} is an apocalyptic number.

1002021103146 is an abundant number, since it is smaller than the sum of its proper divisors (1288312846998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1002021103146 is a wasteful number, since it uses less digits than its factorization.

1002021103146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23857645325.

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

Adding to 1002021103146 its reverse (6413011202001), we get a palindrome (7415032305147).

The spelling of 1002021103146 in words is "one trillion, two billion, twenty-one million, one hundred three thousand, one hundred forty-six".