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122102100201 = 340700700067
BaseRepresentation
bin111000110110111011…
…0100011000011101001
3102200011111122100212110
41301231312203003221
54000031114201301
6132032023432533
711551542504264
oct1615566430351
9380144570773
10122102100201
11478684a8114
121b7b78b5749
13b68b85c143
145ca45bbcdb
1532997d50d6
hex1c6dda30e9

122102100201 has 4 divisors (see below), whose sum is σ = 162802800272. Its totient is φ = 81401400132.

The previous prime is 122102100199. The next prime is 122102100209. The reversal of 122102100201 is 102001201221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 122102100201 - 21 = 122102100199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122102100209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20350350031 + ... + 20350350036.

It is an arithmetic number, because the mean of its divisors is an integer number (40700700068).

Almost surely, 2122102100201 is an apocalyptic number.

It is an amenable number.

122102100201 is a deficient number, since it is larger than the sum of its proper divisors (40700700071).

122102100201 is an equidigital number, since it uses as much as digits as its factorization.

122102100201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40700700070.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122102100201 its reverse (102001201221), we get a palindrome (224103301422).

The spelling of 122102100201 in words is "one hundred twenty-two billion, one hundred two million, one hundred thousand, two hundred one".

Divisors: 1 3 40700700067 122102100201