4221123100115 has 8 divisors (see below), whose sum is σ = 5087087411328. Its totient is φ = 3362405352640.

The previous prime is 4221123100111. The next prime is 4221123100123. The reversal of 4221123100115 is 5110013211224.

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

It is not a de Polignac number, because 4221123100115 - 2² = 4221123100111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4221123100111) 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, 1811639651 + ... + 1811641980.

It is an arithmetic number, because the mean of its divisors is an integer number (635885926416).

Almost surely, 2^{4221123100115} is an apocalyptic number.

4221123100115 is a deficient number, since it is larger than the sum of its proper divisors (865964311213).

4221123100115 is a wasteful number, since it uses less digits than its factorization.

4221123100115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623281869.

The product of its (nonzero) digits is 480, while the sum is 23.

Adding to 4221123100115 its reverse (5110013211224), we get a palindrome (9331136311339).

The spelling of 4221123100115 in words is "four trillion, two hundred twenty-one billion, one hundred twenty-three million, one hundred thousand, one hundred fifteen".