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122220101001 = 3371101081991
BaseRepresentation
bin111000111010011100…
…0101011110110001001
3102200110201200102112110
41301310320223312021
54000301321213001
6132051440532533
711554504501035
oct1616470536611
9380421612473
10122220101001
1147919073939
121b82b321149
13b6aa1360bb
145cb61371c5
1532a4d433d6
hex1c74e2bd89

122220101001 has 8 divisors (see below), whose sum is σ = 167364462784. Its totient is φ = 79277903280.

The previous prime is 122220100997. The next prime is 122220101009. The reversal of 122220101001 is 100101022221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 122220101001 - 22 = 122220100997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122220101009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550540885 + ... + 550541106.

It is an arithmetic number, because the mean of its divisors is an integer number (20920557848).

Almost surely, 2122220101001 is an apocalyptic number.

It is an amenable number.

122220101001 is a deficient number, since it is larger than the sum of its proper divisors (45144361783).

122220101001 is a wasteful number, since it uses less digits than its factorization.

122220101001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101082031.

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

Adding to 122220101001 its reverse (100101022221), we get a palindrome (222321123222).

The spelling of 122220101001 in words is "one hundred twenty-two billion, two hundred twenty million, one hundred one thousand, one".

Divisors: 1 3 37 111 1101081991 3303245973 40740033667 122220101001