2122323055501 has 4 divisors (see below), whose sum is σ = 2315261515104. Its totient is φ = 1929384595900.

The previous prime is 2122323055499. The next prime is 2122323055507. The reversal of 2122323055501 is 1055503232212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2122323055501 - 2¹ = 2122323055499 is a prime.

It is a super-2 number, since 2×2122323055501² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122323055507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96469229785 + ... + 96469229806.

It is an arithmetic number, because the mean of its divisors is an integer number (578815378776).

Almost surely, 2^{2122323055501} is an apocalyptic number.

It is an amenable number.

2122323055501 is a deficient number, since it is larger than the sum of its proper divisors (192938459603).

2122323055501 is a wasteful number, since it uses less digits than its factorization.

2122323055501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192938459602.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 2122323055501 its reverse (1055503232212), we get a palindrome (3177826287713).

The spelling of 2122323055501 in words is "two trillion, one hundred twenty-two billion, three hundred twenty-three million, fifty-five thousand, five hundred one".