122042443022251 has 8 divisors (see below), whose sum is σ = 129222230593824. Its totient is φ = 114862746599040.

The previous prime is 122042443022237. The next prime is 122042443022287. The reversal of 122042443022251 is 152220344240221.

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 122042443022251 - 2⁹ = 122042443021739 is a prime.

It is a super-2 number, since 2×122042443022251² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122042443028251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20020840 + ... + 25395253.

It is an arithmetic number, because the mean of its divisors is an integer number (16152778824228).

Almost surely, 2^{122042443022251} is an apocalyptic number.

122042443022251 is a deficient number, since it is larger than the sum of its proper divisors (7179787571573).

122042443022251 is a wasteful number, since it uses less digits than its factorization.

122042443022251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45574181.

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 122042443022251 its reverse (152220344240221), we get a palindrome (274262787262472).

The spelling of 122042443022251 in words is "one hundred twenty-two trillion, forty-two billion, four hundred forty-three million, twenty-two thousand, two hundred fifty-one".