2122420403615 has 16 divisors (see below), whose sum is σ = 2551075086528. Its totient is φ = 1695156477696.

The previous prime is 2122420403483. The next prime is 2122420403657. The reversal of 2122420403615 is 5163040242212.

It is a cyclic number.

It is not a de Polignac number, because 2122420403615 - 2²⁶ = 2122353294751 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 15 ways as a sum of consecutive naturals, for example, 36823259 + ... + 36880851.

It is an arithmetic number, because the mean of its divisors is an integer number (159442192908).

Almost surely, 2^{2122420403615} is an apocalyptic number.

2122420403615 is a deficient number, since it is larger than the sum of its proper divisors (428654682913).

2122420403615 is a wasteful number, since it uses less digits than its factorization.

2122420403615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69538.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 2122420403615 its reverse (5163040242212), we get a palindrome (7285460645827).

The spelling of 2122420403615 in words is "two trillion, one hundred twenty-two billion, four hundred twenty million, four hundred three thousand, six hundred fifteen".