104145225121 has 16 divisors (see below), whose sum is σ = 130089784320. Its totient is φ = 81306109440.

The previous prime is 104145225073. The next prime is 104145225209. The reversal of 104145225121 is 121522541401.

It is not a de Polignac number, because 104145225121 - 2⁷ = 104145224993 is a prime.

It is a super-3 number, since 3×104145225121³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 104145225121.

It is not an unprimeable number, because it can be changed into a prime (104145225221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14111956 + ... + 14119333.

It is an arithmetic number, because the mean of its divisors is an integer number (8130611520).

Almost surely, 2^104145225121 is an apocalyptic number.

It is an amenable number.

104145225121 is a deficient number, since it is larger than the sum of its proper divisors (25944559199).

104145225121 is a wasteful number, since it uses less digits than its factorization.

104145225121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28231344.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 104145225121 its reverse (121522541401), we get a palindrome (225667766522).

It can be divided in two parts, 104145 and 225121, that added together give a triangular number (329266 = T₈₁₁).

The spelling of 104145225121 in words is "one hundred four billion, one hundred forty-five million, two hundred twenty-five thousand, one hundred twenty-one".