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122100010102001 = 283431448798947
BaseRepresentation
bin11011110000110010011111…
…101110101010110011110001
3121000022122110122021110111102
4123300302133232222303301
5112000441310041231001
61111403545325254145
734501302034423511
oct3360623756526361
9530278418243442
10122100010102001
11359a536161a958
121183b972404355
135318c9b5c9899
14222195a04d841
15e1b17c6b5e6b
hex6f0c9fbaacf1

122100010102001 has 4 divisors (see below), whose sum is σ = 122531458901232. Its totient is φ = 121668561302772.

The previous prime is 122100010101997. The next prime is 122100010102013. The reversal of 122100010102001 is 100201010001221.

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 a cyclic number.

It is not a de Polignac number, because 122100010102001 - 22 = 122100010101997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122100010102201) 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, 215724399191 + ... + 215724399756.

It is an arithmetic number, because the mean of its divisors is an integer number (30632864725308).

Almost surely, 2122100010102001 is an apocalyptic number.

It is an amenable number.

122100010102001 is a deficient number, since it is larger than the sum of its proper divisors (431448799231).

122100010102001 is an equidigital number, since it uses as much as digits as its factorization.

122100010102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431448799230.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 122100010102001 its reverse (100201010001221), we get a palindrome (222301020103222).

The spelling of 122100010102001 in words is "one hundred twenty-two trillion, one hundred billion, ten million, one hundred two thousand, one".

Divisors: 1 283 431448798947 122100010102001