101421234020 has 48 divisors (see below), whose sum is σ = 214125327360. Its totient is φ = 40351529856.

The previous prime is 101421233993. The next prime is 101421234023. The reversal of 101421234020 is 20432124101.

101421234020 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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 101421233983 and 101421234001.

It is not an unprimeable number, because it can be changed into a prime (101421234023) 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, 5472089 + ... + 5490591.

It is an arithmetic number, because the mean of its divisors is an integer number (4460944320).

Almost surely, 2^101421234020 is an apocalyptic number.

101421234020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101421234020 is an abundant number, since it is smaller than the sum of its proper divisors (112704093340).

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

101421234020 is a wasteful number, since it uses less digits than its factorization.

101421234020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19964 (or 19962 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 101421234020 its reverse (20432124101), we get a palindrome (121853358121).

The spelling of 101421234020 in words is "one hundred one billion, four hundred twenty-one million, two hundred thirty-four thousand, twenty".