104211203121020 has 24 divisors (see below), whose sum is σ = 220292821438368. Its totient is φ = 41408425080000.

The previous prime is 104211203120987. The next prime is 104211203121029. The reversal of 104211203121020 is 20121302112401.

It is a super-3 number, since 3×104211203121020³ (a number of 43 digits) contains 333 as substring.

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 = 104211203120983 and 104211203121001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104211203121029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17253507431 + ... + 17253513470.

It is an arithmetic number, because the mean of its divisors is an integer number (9178867559932).

Almost surely, 2^{104211203121020} is an apocalyptic number.

104211203121020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104211203121020 is an abundant number, since it is smaller than the sum of its proper divisors (116081618317348).

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

104211203121020 is a wasteful number, since it uses less digits than its factorization.

104211203121020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34507021061 (or 34507021059 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 104211203121020 its reverse (20121302112401), we get a palindrome (124332505233421).

The spelling of 104211203121020 in words is "one hundred four trillion, two hundred eleven billion, two hundred three million, one hundred twenty-one thousand, twenty".