127020120112021 has 8 divisors (see below), whose sum is σ = 127450089820224. Its totient is φ = 126590517746400.

The previous prime is 127020120112007. The next prime is 127020120112079. The reversal of 127020120112021 is 120211021020721.

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 127020120112021 - 2¹⁹ = 127020119587733 is a prime.

It is a super-2 number, since 2×127020120112021² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 127020120111983 and 127020120112001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127020120152021) 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, 91142905 + ... + 92526046.

It is an arithmetic number, because the mean of its divisors is an integer number (15931261227528).

Almost surely, 2^{127020120112021} is an apocalyptic number.

It is an amenable number.

127020120112021 is a deficient number, since it is larger than the sum of its proper divisors (429969708203).

127020120112021 is a wasteful number, since it uses less digits than its factorization.

127020120112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183671291.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 127020120112021 its reverse (120211021020721), we get a palindrome (247231141132742).

The spelling of 127020120112021 in words is "one hundred twenty-seven trillion, twenty billion, one hundred twenty million, one hundred twelve thousand, twenty-one".