2111420230015 has 4 divisors (see below), whose sum is σ = 2533704276024. Its totient is φ = 1689136184008.

The previous prime is 2111420230009. The next prime is 2111420230037. The reversal of 2111420230015 is 5100320241112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2111420230015 - 2³¹ = 2109272746367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211142022997 + ... + 211142023006.

It is an arithmetic number, because the mean of its divisors is an integer number (633426069006).

Almost surely, 2^{2111420230015} is an apocalyptic number.

2111420230015 is a deficient number, since it is larger than the sum of its proper divisors (422284046009).

2111420230015 is an equidigital number, since it uses as much as digits as its factorization.

2111420230015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422284046008.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 2111420230015 its reverse (5100320241112), we get a palindrome (7211740471127).

The spelling of 2111420230015 in words is "two trillion, one hundred eleven billion, four hundred twenty million, two hundred thirty thousand, fifteen".