27101220601 has 8 divisors (see below), whose sum is σ = 33355348544. Its totient is φ = 21442723920.

The previous prime is 27101220569. The next prime is 27101220607. The reversal of 27101220601 is 10602210172.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 27101220601 - 2⁵ = 27101220569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27101220607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148907715 + ... + 148907896.

It is an arithmetic number, because the mean of its divisors is an integer number (4169418568).

Almost surely, 2^27101220601 is an apocalyptic number.

It is an amenable number.

27101220601 is a deficient number, since it is larger than the sum of its proper divisors (6254127943).

27101220601 is a wasteful number, since it uses less digits than its factorization.

27101220601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297815631.

The product of its (nonzero) digits is 336, while the sum is 22.

Adding to 27101220601 its reverse (10602210172), we get a palindrome (37703430773).

The spelling of 27101220601 in words is "twenty-seven billion, one hundred one million, two hundred twenty thousand, six hundred one".