1002620321112 has 32 divisors (see below), whose sum is σ = 2508384499200. Its totient is φ = 333962280864.

The previous prime is 1002620321111. The next prime is 1002620321113. The reversal of 1002620321112 is 2111230262001.

It is an interprime number because it is at equal distance from previous prime (1002620321111) and next prime (1002620321113).

It is a super-4 number, since 4×1002620321112⁴ (a number of 49 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002620321111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15247312 + ... + 15312927.

It is an arithmetic number, because the mean of its divisors is an integer number (78387015600).

Almost surely, 2^{1002620321112} is an apocalyptic number.

1002620321112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1002620321112 is an abundant number, since it is smaller than the sum of its proper divisors (1505764178088).

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

1002620321112 is a wasteful number, since it uses less digits than its factorization.

1002620321112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30561615 (or 30561611 counting only the distinct ones).

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

Adding to 1002620321112 its reverse (2111230262001), we get a palindrome (3113850583113).

The spelling of 1002620321112 in words is "one trillion, two billion, six hundred twenty million, three hundred twenty-one thousand, one hundred twelve".