10110021020 has 24 divisors (see below), whose sum is σ = 23161139568. Its totient is φ = 3676371200.

The previous prime is 10110021017. The next prime is 10110021029. The reversal of 10110021020 is 2012001101.

It is a junction number, because it is equal to n+sod(n) for n = 10110020989 and 10110021007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10110021029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22977101 + ... + 22977540.

It is an arithmetic number, because the mean of its divisors is an integer number (965047482).

Almost surely, 2^10110021020 is an apocalyptic number.

10110021020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10110021020 is an abundant number, since it is smaller than the sum of its proper divisors (13051118548).

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

10110021020 is a wasteful number, since it uses less digits than its factorization.

10110021020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45954661 (or 45954659 counting only the distinct ones).

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

Adding to 10110021020 its reverse (2012001101), we get a palindrome (12122022121).

The spelling of 10110021020 in words is "ten billion, one hundred ten million, twenty-one thousand, twenty".