101002102002020 has 48 divisors (see below), whose sum is σ = 216618605199360. Its totient is φ = 39541005462144.

The previous prime is 101002102002019. The next prime is 101002102002023. The reversal of 101002102002020 is 20200201200101.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 101002102001992 and 101002102002010.

It is not an unprimeable number, because it can be changed into a prime (101002102002023) 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 15 ways as a sum of consecutive naturals, for example, 273232157 + ... + 273601563.

It is an arithmetic number, because the mean of its divisors is an integer number (4512887608320).

Almost surely, 2^{101002102002020} is an apocalyptic number.

101002102002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101002102002020 is an abundant number, since it is smaller than the sum of its proper divisors (115616503197340).

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

101002102002020 is a wasteful number, since it uses less digits than its factorization.

101002102002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660332 (or 660330 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 101002102002020 its reverse (20200201200101), we get a palindrome (121202303202121).

The spelling of 101002102002020 in words is "one hundred one trillion, two billion, one hundred two million, two thousand, twenty".