2122431026215 has 8 divisors (see below), whose sum is σ = 2696735892240. Its totient is φ = 1598065713792.

The previous prime is 2122431026171. The next prime is 2122431026239. The reversal of 2122431026215 is 5126201342212.

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 2122431026215 - 2¹¹ = 2122431024167 is a prime.

It is a super-2 number, since 2×2122431026215² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12484888305 + ... + 12484888474.

It is an arithmetic number, because the mean of its divisors is an integer number (337091986530).

Almost surely, 2^{2122431026215} is an apocalyptic number.

2122431026215 is a deficient number, since it is larger than the sum of its proper divisors (574304866025).

2122431026215 is a wasteful number, since it uses less digits than its factorization.

2122431026215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24969776801.

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 2122431026215 its reverse (5126201342212), we get a palindrome (7248632368427).

The spelling of 2122431026215 in words is "two trillion, one hundred twenty-two billion, four hundred thirty-one million, twenty-six thousand, two hundred fifteen".