Search a number
-
+
2221220000201 = 311371327394129
BaseRepresentation
bin100000010100101011000…
…001110111000111001001
321212100100122022020100212
4200110223001313013021
5242343024310001301
64420225301210505
7316322621323616
oct40245301670711
97770318266325
102221220000201
11787017868234
122ba5a2100a35
131315c9c35b87
1479716cb150d
153cba43594bb
hex2052b0771c9

2221220000201 has 16 divisors (see below), whose sum is σ = 2311354890240. Its totient is φ = 2132264010240.

The previous prime is 2221220000183. The next prime is 2221220000213. The reversal of 2221220000201 is 1020000221222.

It is a cyclic number.

It is not a de Polignac number, because 2221220000201 - 226 = 2221152891337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221220000281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5438705 + ... + 5832833.

It is an arithmetic number, because the mean of its divisors is an integer number (144459680640).

Almost surely, 22221220000201 is an apocalyptic number.

It is an amenable number.

2221220000201 is a deficient number, since it is larger than the sum of its proper divisors (90134890039).

2221220000201 is a wasteful number, since it uses less digits than its factorization.

2221220000201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395624.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2221220000201 its reverse (1020000221222), we get a palindrome (3241220221423).

The spelling of 2221220000201 in words is "two trillion, two hundred twenty-one billion, two hundred twenty million, two hundred one", and thus it is an aban number.

Divisors: 1 31 137 1327 4247 41137 181799 394129 5635769 12217999 53995673 523009183 1673865863 16213284673 71652258071 2221220000201