122135510325501 has 32 divisors (see below), whose sum is σ = 198191497507200. Its totient is φ = 73991492386560.

The previous prime is 122135510325497. The next prime is 122135510325503. The reversal of 122135510325501 is 105523015531221.

122135510325501 is a `hidden beast` number, since 1 + 2 + 2 + 13 + 55 + 10 + 32 + 550 + 1 = 666.

It is not a de Polignac number, because 122135510325501 - 2² = 122135510325497 is a prime.

It is a super-2 number, since 2×122135510325501² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122135510325503) 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, 4587752835 + ... + 4587779456.

It is an arithmetic number, because the mean of its divisors is an integer number (6193484297100).

Almost surely, 2^{122135510325501} is an apocalyptic number.

It is an amenable number.

122135510325501 is a deficient number, since it is larger than the sum of its proper divisors (76055987181699).

122135510325501 is a wasteful number, since it uses less digits than its factorization.

122135510325501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9175532346 (or 9175532340 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

Adding to 122135510325501 its reverse (105523015531221), we get a palindrome (227658525856722).

The spelling of 122135510325501 in words is "one hundred twenty-two trillion, one hundred thirty-five billion, five hundred ten million, three hundred twenty-five thousand, five hundred one".