Search a number
-
+
2221201011211 = 71324408802321
BaseRepresentation
bin100000010100101001111…
…001011011001000001011
321212100022022120111100221
4200110221321123020023
5242343004424324321
64420223342210511
7316322301035260
oct40245171331013
97770268514327
102221201011211
11787008078556
122ba597883a37
131315c60179a0
147971456b267
153cba2857e41
hex20529e5b20b

2221201011211 has 8 divisors (see below), whose sum is σ = 2733785860064. Its totient is φ = 1757433767040.

The previous prime is 2221201011181. The next prime is 2221201011223. The reversal of 2221201011211 is 1121101021222.

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

It is not a de Polignac number, because 2221201011211 - 241 = 22177755659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221201011611) 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, 12204401070 + ... + 12204401251.

It is an arithmetic number, because the mean of its divisors is an integer number (341723232508).

Almost surely, 22221201011211 is an apocalyptic number.

2221201011211 is a deficient number, since it is larger than the sum of its proper divisors (512584848853).

2221201011211 is a wasteful number, since it uses less digits than its factorization.

2221201011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24408802341.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 2221201011211 its reverse (1121101021222), we get a palindrome (3342302032433).

The spelling of 2221201011211 in words is "two trillion, two hundred twenty-one billion, two hundred one million, eleven thousand, two hundred eleven".

Divisors: 1 7 13 91 24408802321 170861616247 317314430173 2221201011211