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101201331101 = 137784717777
BaseRepresentation
bin101111001000000010…
…0011100001110011101
3100200012220011021201012
41132100010130032131
53124230020043401
6114254035425005
710211602056353
oct1362004341635
9320186137635
10101201331101
1139a12570a22
1217744155165
13970a67ba50
144c808197d3
1529749398bb
hex179011c39d

101201331101 has 4 divisors (see below), whose sum is σ = 108986048892. Its totient is φ = 93416613312.

The previous prime is 101201331097. The next prime is 101201331103. The reversal of 101201331101 is 101133102101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29511804100 + 71689527001 = 171790^2 + 267749^2 .

It is a cyclic number.

It is not a de Polignac number, because 101201331101 - 22 = 101201331097 is a prime.

It is a super-2 number, since 2×1012013311012 (a number of 23 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 (101201331103) 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 3 ways as a sum of consecutive naturals, for example, 3892358876 + ... + 3892358901.

It is an arithmetic number, because the mean of its divisors is an integer number (27246512223).

Almost surely, 2101201331101 is an apocalyptic number.

It is an amenable number.

101201331101 is a deficient number, since it is larger than the sum of its proper divisors (7784717791).

101201331101 is an equidigital number, since it uses as much as digits as its factorization.

101201331101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7784717790.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 101201331101 its reverse (101133102101), we get a palindrome (202334433202).

The spelling of 101201331101 in words is "one hundred one billion, two hundred one million, three hundred thirty-one thousand, one hundred one".

Divisors: 1 13 7784717777 101201331101