100102101120020 has 24 divisors (see below), whose sum is σ = 211093970572800. Its totient is φ = 39873305548832.

The previous prime is 100102101120017. The next prime is 100102101120041. The reversal of 100102101120020 is 20021101201001.

It is a junction number, because it is equal to n+sod(n) for n = 100102101119983 and 100102101120010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10470926300 + ... + 10470935859.

It is an arithmetic number, because the mean of its divisors is an integer number (8795582107200).

Almost surely, 2^{100102101120020} is an apocalyptic number.

100102101120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100102101120020 is an abundant number, since it is smaller than the sum of its proper divisors (110991869452780).

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

100102101120020 is a wasteful number, since it uses less digits than its factorization.

100102101120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20941862407 (or 20941862405 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100102101120020 its reverse (20021101201001), we get a palindrome (120123202321021).

The spelling of 100102101120020 in words is "one hundred trillion, one hundred two billion, one hundred one million, one hundred twenty thousand, twenty".