10102120212020 has 24 divisors (see below), whose sum is σ = 21214581502464. Its totient is φ = 4040823502496.

The previous prime is 10102120212011. The next prime is 10102120212053. The reversal of 10102120212020 is 2021202120101.

It is a junction number, because it is equal to n+sod(n) for n = 10102120211986 and 10102120212004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2035997 + ... + 4934523.

It is an arithmetic number, because the mean of its divisors is an integer number (883940895936).

Almost surely, 2^{10102120212020} is an apocalyptic number.

10102120212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10102120212020 is an abundant number, since it is smaller than the sum of its proper divisors (11112461290444).

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

10102120212020 is a wasteful number, since it uses less digits than its factorization.

10102120212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072799 (or 3072797 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10102120212020 its reverse (2021202120101), we get a palindrome (12123322332121).

The spelling of 10102120212020 in words is "ten trillion, one hundred two billion, one hundred twenty million, two hundred twelve thousand, twenty".