38654911022121 has 24 divisors (see below), whose sum is σ = 55849745211624. Its totient is φ = 25763076833280.

The previous prime is 38654911022099. The next prime is 38654911022131. The reversal of 38654911022121 is 12122011945683.

38654911022121 is a `hidden beast` number, since 3 + 8 + 6 + 5 + 491 + 10 + 22 + 121 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2579271332121 + 36075639690000 = 1606011^2 + 6006300^2 .

It is not a de Polignac number, because 38654911022121 - 2¹⁷ = 38654910891049 is a prime.

It is a super-2 number, since 2×38654911022121² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38654911022131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 622621801 + ... + 622683881.

It is an arithmetic number, because the mean of its divisors is an integer number (2327072717151).

Almost surely, 2^{38654911022121} is an apocalyptic number.

It is an amenable number.

38654911022121 is a deficient number, since it is larger than the sum of its proper divisors (17194834189503).

38654911022121 is a wasteful number, since it uses less digits than its factorization.

38654911022121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79401 (or 79398 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 38654911022121 in words is "thirty-eight trillion, six hundred fifty-four billion, nine hundred eleven million, twenty-two thousand, one hundred twenty-one".