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20122331231101 = 117126501972221
BaseRepresentation
bin1001001001101000110000…
…11001111011001101111101
32122020200020212020221000211
410210310120121323031331
510114141013243343401
6110444023224552421
74144535061232261
oct444643031731575
978220225227024
1020122331231101
116458918434630
12230ba14022711
13b2c6b2459698
144d7cd70420a1
1524d66482b951
hex124d1867b37d

20122331231101 has 16 divisors (see below), whose sum is σ = 22261674911616. Its totient is φ = 18034681000000.

The previous prime is 20122331231089. The next prime is 20122331231213. The reversal of 20122331231101 is 10113213322102.

It is a cyclic number.

It is not a de Polignac number, because 20122331231101 - 219 = 20122330706813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122331231801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20211171 + ... + 21183391.

It is an arithmetic number, because the mean of its divisors is an integer number (1391354681976).

Almost surely, 220122331231101 is an apocalyptic number.

It is an amenable number.

20122331231101 is a deficient number, since it is larger than the sum of its proper divisors (2139343680515).

20122331231101 is a wasteful number, since it uses less digits than its factorization.

20122331231101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998804.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20122331231101 its reverse (10113213322102), we get a palindrome (30235544553203).

The spelling of 20122331231101 in words is "twenty trillion, one hundred twenty-two billion, three hundred thirty-one million, two hundred thirty-one thousand, one hundred one".

Divisors: 1 11 71 781 26501 291511 972221 1881571 10694431 20697281 69027691 759304601 25764828721 283413115931 1829302839191 20122331231101