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212211122201 = 1331526578467
BaseRepresentation
bin1100010110100011000…
…1001100000000011001
3202021202100122222001122
43011220301030000121
511434102021402301
6241253300455025
721221534530241
oct3055061140031
9667670588048
10212211122201
1181aa8712031
12351650aa475
131701c133580
14a3b1b78b21
1557c04e981b
hex3168c4c019

212211122201 has 8 divisors (see below), whose sum is σ = 235907153664. Its totient is φ = 189568247760.

The previous prime is 212211122177. The next prime is 212211122209. The reversal of 212211122201 is 102221112212.

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 212211122201 - 222 = 212206927897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212211122201.

It is not an unprimeable number, because it can be changed into a prime (212211122209) 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, 263288831 + ... + 263289636.

It is an arithmetic number, because the mean of its divisors is an integer number (29488394208).

Almost surely, 2212211122201 is an apocalyptic number.

It is an amenable number.

212211122201 is a deficient number, since it is larger than the sum of its proper divisors (23696031463).

212211122201 is a wasteful number, since it uses less digits than its factorization.

212211122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526578511.

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

Adding to 212211122201 its reverse (102221112212), we get a palindrome (314432234413).

The spelling of 212211122201 in words is "two hundred twelve billion, two hundred eleven million, one hundred twenty-two thousand, two hundred one".

Divisors: 1 13 31 403 526578467 6845520071 16323932477 212211122201