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122021002221001 = 1323399401138123
BaseRepresentation
bin11011101111101000111010…
…011111100001010111001001
3121000001002112110000020220121
4123233220322133201113021
5111443143003032033001
61111303401412223241
734462504120500232
oct3357507237412711
9530032473006817
10122021002221001
11359748a8744534
12118285a290ab21
1353116b9ba2a40
14221bbc2d70089
15e190a636d6a1
hex6efa3a7e15c9

122021002221001 has 8 divisors (see below), whose sum is σ = 131412849422400. Its totient is φ = 112629957342672.

The previous prime is 122021002220981. The next prime is 122021002221023. The reversal of 122021002221001 is 100122200120221.

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 122021002221001 - 229 = 122020465350089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122021062221001) 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, 200264875 + ... + 200873248.

It is an arithmetic number, because the mean of its divisors is an integer number (16426606177800).

Almost surely, 2122021002221001 is an apocalyptic number.

It is an amenable number.

122021002221001 is a deficient number, since it is larger than the sum of its proper divisors (9391847201399).

122021002221001 is a wasteful number, since it uses less digits than its factorization.

122021002221001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401161535.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122021002221001 its reverse (100122200120221), we get a palindrome (222143202341222).

The spelling of 122021002221001 in words is "one hundred twenty-two trillion, twenty-one billion, two million, two hundred twenty-one thousand, one".

Divisors: 1 13 23399 304187 401138123 5214795599 9386230940077 122021002221001