101021101101020 has 48 divisors (see below), whose sum is σ = 217441329190848. Its totient is φ = 39408615667200.

The previous prime is 101021101101013. The next prime is 101021101101043. The reversal of 101021101101020 is 20101101120101.

101021101101020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 101021101100992 and 101021101101010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285161081 + ... + 285515120.

It is an arithmetic number, because the mean of its divisors is an integer number (4530027691476).

Almost surely, 2^{101021101101020} is an apocalyptic number.

101021101101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101021101101020 is an abundant number, since it is smaller than the sum of its proper divisors (116420228089828).

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

101021101101020 is a wasteful number, since it uses less digits than its factorization.

101021101101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570676430 (or 570676428 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 101021101101020 its reverse (20101101120101), we get a palindrome (121122202221121).

The spelling of 101021101101020 in words is "one hundred one trillion, twenty-one billion, one hundred one million, one hundred one thousand, twenty".