27202125021 has 8 divisors (see below), whose sum is σ = 36279052320. Its totient is φ = 18129973872.

The previous prime is 27202125011. The next prime is 27202125059. The reversal of 27202125021 is 12052120272.

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

It is a de Polignac number, because none of the positive numbers 2^k-27202125021 is a prime.

It is a super-2 number, since 2×27202125021² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27202124982 and 27202125000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27202125011) 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, 1180726 + ... + 1203543.

It is an arithmetic number, because the mean of its divisors is an integer number (4534881540).

Almost surely, 2^27202125021 is an apocalyptic number.

It is an amenable number.

27202125021 is a deficient number, since it is larger than the sum of its proper divisors (9076927299).

27202125021 is a wasteful number, since it uses less digits than its factorization.

27202125021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2388075.

The product of its (nonzero) digits is 1120, while the sum is 24.

Adding to 27202125021 its reverse (12052120272), we get a palindrome (39254245293).

The spelling of 27202125021 in words is "twenty-seven billion, two hundred two million, one hundred twenty-five thousand, twenty-one".