36122120121 has 16 divisors (see below), whose sum is σ = 49962441600. Its totient is φ = 23186233728.

The previous prime is 36122120117. The next prime is 36122120141. The reversal of 36122120121 is 12102122163.

It is not a de Polignac number, because 36122120121 - 2² = 36122120117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36122120141) 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, 547036 + ... + 609501.

It is an arithmetic number, because the mean of its divisors is an integer number (3122652600).

Almost surely, 2^36122120121 is an apocalyptic number.

It is an amenable number.

36122120121 is a deficient number, since it is larger than the sum of its proper divisors (13840321479).

36122120121 is a wasteful number, since it uses less digits than its factorization.

36122120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156928.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 36122120121 its reverse (12102122163), we get a palindrome (48224242284).

The spelling of 36122120121 in words is "thirty-six billion, one hundred twenty-two million, one hundred twenty thousand, one hundred twenty-one".