388011101101 has 8 divisors (see below), whose sum is σ = 417874978584. Its totient is φ = 358149633600.

The previous prime is 388011101083. The next prime is 388011101161. The reversal of 388011101101 is 101101110883.

It can be written as a sum of positive squares in 4 ways, for example, as 61085594025 + 326925507076 = 247155^2 + 571774^2 .

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-388011101101 is a prime.

It is a super-2 number, since 2×388011101101² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388011101161) 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, 260926 + ... + 918751.

It is an arithmetic number, because the mean of its divisors is an integer number (52234372323).

Almost surely, 2^388011101101 is an apocalyptic number.

It is an amenable number.

388011101101 is a deficient number, since it is larger than the sum of its proper divisors (29863877483).

388011101101 is a wasteful number, since it uses less digits than its factorization.

388011101101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204991.

The product of its (nonzero) digits is 192, while the sum is 25.

Adding to 388011101101 its reverse (101101110883), we get a palindrome (489112211984).

The spelling of 388011101101 in words is "three hundred eighty-eight billion, eleven million, one hundred one thousand, one hundred one".