122242211451 has 32 divisors (see below), whose sum is σ = 184238438400. Its totient is φ = 80083360800.

The previous prime is 122242211447. The next prime is 122242211453. The reversal of 122242211451 is 154112242221.

122242211451 is a `hidden beast` number, since 1 + 222 + 422 + 1 + 14 + 5 + 1 = 666.

It is not a de Polignac number, because 122242211451 - 2² = 122242211447 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (122242211453) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4697526 + ... + 4723476.

It is an arithmetic number, because the mean of its divisors is an integer number (5757451200).

Almost surely, 2^122242211451 is an apocalyptic number.

122242211451 is a deficient number, since it is larger than the sum of its proper divisors (61996226949).

122242211451 is a wasteful number, since it uses less digits than its factorization.

122242211451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28976 (or 28970 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

Adding to 122242211451 its reverse (154112242221), we get a palindrome (276354453672).

The spelling of 122242211451 in words is "one hundred twenty-two billion, two hundred forty-two million, two hundred eleven thousand, four hundred fifty-one".