100140203221420 has 48 divisors (see below), whose sum is σ = 210751569887040. Its totient is φ = 39969026187264.

The previous prime is 100140203221277. The next prime is 100140203221489. The reversal of 100140203221420 is 24122302041001.

It is a junction number, because it is equal to n+sod(n) for n = 100140203221391 and 100140203221400.

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, 80978316 + ... + 82205644.

It is an arithmetic number, because the mean of its divisors is an integer number (4390657705980).

Almost surely, 2^{100140203221420} is an apocalyptic number.

100140203221420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100140203221420 is an abundant number, since it is smaller than the sum of its proper divisors (110611366665620).

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

100140203221420 is a wasteful number, since it uses less digits than its factorization.

100140203221420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236202 (or 1236200 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 100140203221420 its reverse (24122302041001), we get a palindrome (124262505262421).

The spelling of 100140203221420 in words is "one hundred trillion, one hundred forty billion, two hundred three million, two hundred twenty-one thousand, four hundred twenty".