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122002102131101 = 691206917853283
BaseRepresentation
bin11011101111010111010011…
…111101011001100110011101
3120222222021202021011012122222
4123233113103331121212131
5111442340301121143401
61111250554133515125
734461234552413303
oct3357272375314635
9528867667135588
10122002102131101
113596788a079225
12118249a91a2aa5
13530c997346baa
14221ad0cba2273
15e1884be6bc1b
hex6ef5d3f5999d

122002102131101 has 8 divisors (see below), whose sum is σ = 122179394548704. Its totient is φ = 121824811835280.

The previous prime is 122002102131097. The next prime is 122002102131103. The reversal of 122002102131101 is 101131201200221.

It is a happy number.

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 122002102131101 - 22 = 122002102131097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122002102131101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122002102131103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142553006 + ... + 143406288.

It is an arithmetic number, because the mean of its divisors is an integer number (15272424318588).

Almost surely, 2122002102131101 is an apocalyptic number.

It is an amenable number.

122002102131101 is a deficient number, since it is larger than the sum of its proper divisors (177292417603).

122002102131101 is an equidigital number, since it uses as much as digits as its factorization.

122002102131101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060891.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 122002102131101 its reverse (101131201200221), we get a palindrome (223133303331322).

The spelling of 122002102131101 in words is "one hundred twenty-two trillion, two billion, one hundred two million, one hundred thirty-one thousand, one hundred one".

Divisors: 1 691 206917 853283 142979647 589618553 176558758511 122002102131101