100220212112123 has 8 divisors (see below), whose sum is σ = 104208254463360. Its totient is φ = 96279365528640.

The previous prime is 100220212112113. The next prime is 100220212112149. The reversal of 100220212112123 is 321211212022001.

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 100220212112123 - 2⁴ = 100220212112107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100220212112095 and 100220212112104.

It is not an unprimeable number, because it can be changed into a prime (100220212112113) 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, 11798937608 + ... + 11798946101.

It is an arithmetic number, because the mean of its divisors is an integer number (13026031807920).

Almost surely, 2^{100220212112123} is an apocalyptic number.

100220212112123 is a deficient number, since it is larger than the sum of its proper divisors (3988042351237).

100220212112123 is a wasteful number, since it uses less digits than its factorization.

100220212112123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23597883877.

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

Adding to 100220212112123 its reverse (321211212022001), we get a palindrome (421431424134124).

The spelling of 100220212112123 in words is "one hundred trillion, two hundred twenty billion, two hundred twelve million, one hundred twelve thousand, one hundred twenty-three".