100101122020 has 48 divisors (see below), whose sum is σ = 210798479808. Its totient is φ = 39928972160.

The previous prime is 100101122003. The next prime is 100101122027. The reversal of 100101122020 is 20221101001.

100101122020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 100101121988 and 100101122006.

It is not an unprimeable number, because it can be changed into a prime (100101122027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11292390 + ... + 11301250.

It is an arithmetic number, because the mean of its divisors is an integer number (4391634996).

Almost surely, 2^100101122020 is an apocalyptic number.

100101122020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100101122020 is an abundant number, since it is smaller than the sum of its proper divisors (110697357788).

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

100101122020 is a wasteful number, since it uses less digits than its factorization.

100101122020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10380 (or 10378 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 100101122020 its reverse (20221101001), we get a palindrome (120322223021).

The spelling of 100101122020 in words is "one hundred billion, one hundred one million, one hundred twenty-two thousand, twenty".