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122001202201121 = 653186831856357
BaseRepresentation
bin11011101111010110011110…
…010100011100001000100001
3120222222012102112210000210222
4123233112132110130020201
5111442331430230413441
61111250324545132425
734461203344215605
oct3357263624341041
9528865375700728
10122001202201121
1135967468094541
121182479792a115
13530c882a76349
14221ac65463505
15e187e7e55d4b
hex6ef59e51c221

122001202201121 has 4 divisors (see below), whose sum is σ = 122188034058132. Its totient is φ = 121814370344112.

The previous prime is 122001202201063. The next prime is 122001202201217. The reversal of 122001202201121 is 121102202100221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 81776572441600 + 40224629759521 = 9043040^2 + 6342289^2 .

It is a cyclic number.

It is not a de Polignac number, because 122001202201121 - 214 = 122001202184737 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122001202201121.

It is not an unprimeable number, because it can be changed into a prime (122001202204121) 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, 93415927526 + ... + 93415928831.

It is an arithmetic number, because the mean of its divisors is an integer number (30547008514533).

Almost surely, 2122001202201121 is an apocalyptic number.

It is an amenable number.

122001202201121 is a deficient number, since it is larger than the sum of its proper divisors (186831857011).

122001202201121 is an equidigital number, since it uses as much as digits as its factorization.

122001202201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186831857010.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122001202201121 its reverse (121102202100221), we get a palindrome (243103404301342).

The spelling of 122001202201121 in words is "one hundred twenty-two trillion, one billion, two hundred two million, two hundred one thousand, one hundred twenty-one".

Divisors: 1 653 186831856357 122001202201121