101102020 has 24 divisors (see below), whose sum is σ = 221546304. Its totient is φ = 38682336.

The previous prime is 101102003. The next prime is 101102039. The reversal of 101102020 is 20201101.

It is a junction number, because it is equal to n+sod(n) for n = 101101994 and 101102012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109434 + ... + 110353.

It is an arithmetic number, because the mean of its divisors is an integer number (9231096).

Almost surely, 2^101102020 is an apocalyptic number.

101102020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101102020 is an abundant number, since it is smaller than the sum of its proper divisors (120444284).

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

101102020 is a wasteful number, since it uses less digits than its factorization.

101102020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219819 (or 219817 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 101102020 is about 10054.9500247391. The cubic root of 101102020 is about 465.8576993715.

Adding to 101102020 its reverse (20201101), we get a palindrome (121303121).

The spelling of 101102020 in words is "one hundred one million, one hundred two thousand, twenty".