122351521101 has 16 divisors (see below), whose sum is σ = 171527295360. Its totient is φ = 77463933120.

The previous prime is 122351521001. The next prime is 122351521109. The reversal of 122351521101 is 101125153221.

It is not a de Polignac number, because 122351521101 - 2¹⁰ = 122351520077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122351521109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11522065 + ... + 11532678.

It is an arithmetic number, because the mean of its divisors is an integer number (10720455960).

Almost surely, 2^122351521101 is an apocalyptic number.

It is an amenable number.

122351521101 is a deficient number, since it is larger than the sum of its proper divisors (49175774259).

122351521101 is a wasteful number, since it uses less digits than its factorization.

122351521101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23054836.

The product of its (nonzero) digits is 600, while the sum is 24.

Adding to 122351521101 its reverse (101125153221), we get a palindrome (223476674322).

The spelling of 122351521101 in words is "one hundred twenty-two billion, three hundred fifty-one million, five hundred twenty-one thousand, one hundred one".