100101111202020 has 48 divisors (see below), whose sum is σ = 280303966470528. Its totient is φ = 26691643453440.

The previous prime is 100101111202019. The next prime is 100101111202049. The reversal of 100101111202020 is 20202111101001.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 100101111201987 and 100101111202005.

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, 61255584 + ... + 62868503.

It is an arithmetic number, because the mean of its divisors is an integer number (5839665968136).

Almost surely, 2^{100101111202020} is an apocalyptic number.

100101111202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100101111202020 is an abundant number, since it is smaller than the sum of its proper divisors (180202855268508).

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

100101111202020 is a wasteful number, since it uses less digits than its factorization.

100101111202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124137540 (or 124137538 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100101111202020 its reverse (20202111101001), we get a palindrome (120303222303021).

The spelling of 100101111202020 in words is "one hundred trillion, one hundred one billion, one hundred eleven million, two hundred two thousand, twenty".