10120101020 has 48 divisors (see below), whose sum is σ = 22725214848. Its totient is φ = 3772185600.

The previous prime is 10120101011. The next prime is 10120101023. The reversal of 10120101020 is 2010102101.

It is a junction number, because it is equal to n+sod(n) for n = 10120100989 and 10120101007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10120101023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113012 + ... + 181691.

It is an arithmetic number, because the mean of its divisors is an integer number (473441976).

Almost surely, 2^10120101020 is an apocalyptic number.

10120101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120101020 is an abundant number, since it is smaller than the sum of its proper divisors (12605113828).

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

10120101020 is a wasteful number, since it uses less digits than its factorization.

10120101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294830 (or 294828 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 10120101020 its reverse (2010102101), we get a palindrome (12130203121).

The spelling of 10120101020 in words is "ten billion, one hundred twenty million, one hundred one thousand, twenty".