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122221110120201 = 3213580123346689
BaseRepresentation
bin11011110010100011010001…
…110110100100111100001001
3121000202020001022022210021200
4123302203101312210330021
5112004432313142321301
61111535334115054413
734513120021536201
oct3362432166447411
9530666038283250
10122221110120201
1135a41755401a24
121185b32a5a1409
13532752a66cca1
1422277674db401
15e1e3b9007c86
hex6f28d1da4f09

122221110120201 has 6 divisors (see below), whose sum is σ = 176541603506970. Its totient is φ = 81480740080128.

The previous prime is 122221110120199. The next prime is 122221110120211. The reversal of 122221110120201 is 102021011122221.

122221110120201 is a `hidden beast` number, since 1 + 222 + 211 + 10 + 1 + 20 + 201 = 666.

122221110120201 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 70218550881801 + 52002559238400 = 8379651^2 + 7211280^2 .

It is not a de Polignac number, because 122221110120201 - 21 = 122221110120199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122221110120211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6790061673336 + ... + 6790061673353.

It is an arithmetic number, because the mean of its divisors is an integer number (29423600584495).

Almost surely, 2122221110120201 is an apocalyptic number.

It is an amenable number.

122221110120201 is a deficient number, since it is larger than the sum of its proper divisors (54320493386769).

122221110120201 is a wasteful number, since it uses less digits than its factorization.

122221110120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13580123346695 (or 13580123346692 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 122221110120201 its reverse (102021011122221), we get a palindrome (224242121242422).

The spelling of 122221110120201 in words is "one hundred twenty-two trillion, two hundred twenty-one billion, one hundred ten million, one hundred twenty thousand, two hundred one".

Divisors: 1 3 9 13580123346689 40740370040067 122221110120201