100110021101020 has 48 divisors (see below), whose sum is σ = 240435790963200. Its totient is φ = 34298901474624.

The previous prime is 100110021101003. The next prime is 100110021101137. The reversal of 100110021101020 is 20101120011001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 100110021100988 and 100110021101006.

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, 255369394 + ... + 255761113.

It is an arithmetic number, because the mean of its divisors is an integer number (5009078978400).

Almost surely, 2^{100110021101020} is an apocalyptic number.

100110021101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100110021101020 is an abundant number, since it is smaller than the sum of its proper divisors (140325769862180).

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

100110021101020 is a wasteful number, since it uses less digits than its factorization.

100110021101020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511131922 (or 511131920 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 100110021101020 its reverse (20101120011001), we get a palindrome (120211141112021).

The spelling of 100110021101020 in words is "one hundred trillion, one hundred ten billion, twenty-one million, one hundred one thousand, twenty".