1002020112210 has 192 divisors, whose sum is σ = 2645284594176. Its totient is φ = 242775936000.

The previous prime is 1002020112187. The next prime is 1002020112239. The reversal of 1002020112210 is 122110202001.

It is a Curzon number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 88582455 + ... + 88593765.

It is an arithmetic number, because the mean of its divisors is an integer number (13777523928).

Almost surely, 2^{1002020112210} is an apocalyptic number.

1002020112210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002020112210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1322642297088).

1002020112210 is an abundant number, since it is smaller than the sum of its proper divisors (1643264481966).

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

1002020112210 is a wasteful number, since it uses less digits than its factorization.

1002020112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11621 (or 11608 counting only the distinct ones).

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

Adding to 1002020112210 its reverse (122110202001), we get a palindrome (1124130314211).

The spelling of 1002020112210 in words is "one trillion, two billion, twenty million, one hundred twelve thousand, two hundred ten".