2122122550461 has 8 divisors (see below), whose sum is σ = 2857511553504. Its totient is φ = 1400740957200.

The previous prime is 2122122550453. The next prime is 2122122550463. The reversal of 2122122550461 is 1640552212212.

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

It is not a de Polignac number, because 2122122550461 - 2³ = 2122122550453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122122550463) 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 7 ways as a sum of consecutive naturals, for example, 3501852091 + ... + 3501852696.

It is an arithmetic number, because the mean of its divisors is an integer number (357188944188).

Almost surely, 2^{2122122550461} is an apocalyptic number.

It is an amenable number.

2122122550461 is a deficient number, since it is larger than the sum of its proper divisors (735389003043).

2122122550461 is a wasteful number, since it uses less digits than its factorization.

2122122550461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7003704891.

The product of its (nonzero) digits is 19200, while the sum is 33.

Adding to 2122122550461 its reverse (1640552212212), we get a palindrome (3762674762673).

The spelling of 2122122550461 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two million, five hundred fifty thousand, four hundred sixty-one".