4431102100121 has 8 divisors (see below), whose sum is σ = 4738208188104. Its totient is φ = 4129157459200.

The previous prime is 4431102100111. The next prime is 4431102100151. The reversal of 4431102100121 is 1210012011344.

It can be written as a sum of positive squares in 4 ways, for example, as 1982928667225 + 2448173432896 = 1408165^2 + 1564664^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4431102100121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4431102100093 and 4431102100102.

It is not an unprimeable number, because it can be changed into a prime (4431102100111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290359990 + ... + 1290363423.

It is an arithmetic number, because the mean of its divisors is an integer number (592276023513).

Almost surely, 2^{4431102100121} is an apocalyptic number.

It is an amenable number.

4431102100121 is a deficient number, since it is larger than the sum of its proper divisors (307106087983).

4431102100121 is a wasteful number, since it uses less digits than its factorization.

4431102100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2580723531.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 4431102100121 its reverse (1210012011344), we get a palindrome (5641114111465).

The spelling of 4431102100121 in words is "four trillion, four hundred thirty-one billion, one hundred two million, one hundred thousand, one hundred twenty-one".