101004002431220 has 48 divisors (see below), whose sum is σ = 248322035259648. Its totient is φ = 33785310915840.

The previous prime is 101004002431219. The next prime is 101004002431229. The reversal of 101004002431220 is 22134200400101.

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 = 101004002431192 and 101004002431201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101004002431229) 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, 8798252312 + ... + 8798263791.

It is an arithmetic number, because the mean of its divisors is an integer number (5173375734576).

Almost surely, 2^{101004002431220} is an apocalyptic number.

101004002431220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101004002431220 is an abundant number, since it is smaller than the sum of its proper divisors (147318032828428).

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

101004002431220 is a wasteful number, since it uses less digits than its factorization.

101004002431220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17596516160 (or 17596516158 counting only the distinct ones).

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

Adding to 101004002431220 its reverse (22134200400101), we get a palindrome (123138202831321).

The spelling of 101004002431220 in words is "one hundred one trillion, four billion, two million, four hundred thirty-one thousand, two hundred twenty".