2221122342155 has 8 divisors (see below), whose sum is σ = 2667882827184. Its totient is φ = 1775207196000.

The previous prime is 2221122342121. The next prime is 2221122342161. The reversal of 2221122342155 is 5512432211222.

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

It is not a de Polignac number, because 2221122342155 - 2⁸ = 2221122341899 is a prime.

It is a super-2 number, since 2×2221122342155² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211328936 + ... + 211339445.

It is an arithmetic number, because the mean of its divisors is an integer number (333485353398).

Almost surely, 2^{2221122342155} is an apocalyptic number.

2221122342155 is a deficient number, since it is larger than the sum of its proper divisors (446760485029).

2221122342155 is a wasteful number, since it uses less digits than its factorization.

2221122342155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422669437.

The product of its digits is 19200, while the sum is 32.

Adding to 2221122342155 its reverse (5512432211222), we get a palindrome (7733554553377).

The spelling of 2221122342155 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-two million, three hundred forty-two thousand, one hundred fifty-five".