100220121544043 has 8 divisors (see below), whose sum is σ = 100379810442912. Its totient is φ = 100060492631616.

The previous prime is 100220121544013. The next prime is 100220121544057. The reversal of 100220121544043 is 340445121022001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100220121544043 - 2⁶ = 100220121543979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100220121543997 and 100220121544015.

It is not an unprimeable number, because it can be changed into a prime (100220121544013) 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, 11651930 + ... + 18335967.

It is an arithmetic number, because the mean of its divisors is an integer number (12547476305364).

Almost surely, 2^{100220121544043} is an apocalyptic number.

100220121544043 is a deficient number, since it is larger than the sum of its proper divisors (159688898869).

100220121544043 is an equidigital number, since it uses as much as digits as its factorization.

100220121544043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29993221.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 100220121544043 its reverse (340445121022001), we get a palindrome (440665242566044).

The spelling of 100220121544043 in words is "one hundred trillion, two hundred twenty billion, one hundred twenty-one million, five hundred forty-four thousand, forty-three".