Search a number
-
+
122020110221201 = 160577599184793
BaseRepresentation
bin11011101111101000000101…
…010100110011111110010001
3121000001000020021112222012222
4123233220011110303332101
5111443134141204034301
61111303133105430425
734462443036561563
oct3357500524637621
9530030207488188
10122020110221201
1135974490186915
121182839403b415
1353115a714a8ca
14221bb3a6d7333
15e19052dc231b
hex6efa05533f91

122020110221201 has 4 divisors (see below), whose sum is σ = 122027709422052. Its totient is φ = 122012511020352.

The previous prime is 122020110221161. The next prime is 122020110221231. The reversal of 122020110221201 is 102122011020221.

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 87413056755025 + 34607053466176 = 9349495^2 + 5882776^2 .

It is a cyclic number.

It is not a de Polignac number, because 122020110221201 - 226 = 122020043112337 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 122020110221201.

It is not an unprimeable number, because it can be changed into a prime (122020110221231) 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, 3799576340 + ... + 3799608453.

It is an arithmetic number, because the mean of its divisors is an integer number (30506927355513).

Almost surely, 2122020110221201 is an apocalyptic number.

It is an amenable number.

122020110221201 is a deficient number, since it is larger than the sum of its proper divisors (7599200851).

122020110221201 is an equidigital number, since it uses as much as digits as its factorization.

122020110221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7599200850.

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

Adding to 122020110221201 its reverse (102122011020221), we get a palindrome (224142121241422).

The spelling of 122020110221201 in words is "one hundred twenty-two trillion, twenty billion, one hundred ten million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 16057 7599184793 122020110221201