1002020111230 has 16 divisors (see below), whose sum is σ = 1803715023024. Its totient is φ = 400790528320.

The previous prime is 1002020111227. The next prime is 1002020111243. The reversal of 1002020111230 is 321110202001.

It is a super-2 number, since 2×1002020111230² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1002020111230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1947991 + ... + 2408050.

It is an arithmetic number, because the mean of its divisors is an integer number (112732188939).

Almost surely, 2^{1002020111230} is an apocalyptic number.

1002020111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1002020111230 is a deficient number, since it is larger than the sum of its proper divisors (801694911794).

1002020111230 is a wasteful number, since it uses less digits than its factorization.

1002020111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4379051.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 1002020111230 its reverse (321110202001), we get a palindrome (1323130313231).

The spelling of 1002020111230 in words is "one trillion, two billion, twenty million, one hundred eleven thousand, two hundred thirty".