Search a number
-
+
1220022202201 = 11670211654871
BaseRepresentation
bin10001110000001110111…
…111010110111101011001
311022122002110000100220221
4101300032333112331121
5124442101140432301
62332245341520041
7154100200420255
oct21601677267531
94278073010827
101220022202201
114304547aaa40
12178546b73021
138b08076722a
144309974d265
1521b0788eda1
hex11c0efd6f59

1220022202201 has 8 divisors (see below), whose sum is σ = 1330953974208. Its totient is φ = 1109093874000.

The previous prime is 1220022202199. The next prime is 1220022202237. The reversal of 1220022202201 is 1022022200221.

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 1220022202201 - 21 = 1220022202199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220022202261) 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, 90205 + ... + 1564666.

It is an arithmetic number, because the mean of its divisors is an integer number (166369246776).

Almost surely, 21220022202201 is an apocalyptic number.

1220022202201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1220022202201 is a deficient number, since it is larger than the sum of its proper divisors (110931772007).

1220022202201 is a wasteful number, since it uses less digits than its factorization.

1220022202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721903.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1220022202201 its reverse (1022022200221), we get a palindrome (2242044402422).

The spelling of 1220022202201 in words is "one trillion, two hundred twenty billion, twenty-two million, two hundred two thousand, two hundred one".

Divisors: 1 11 67021 737231 1654871 18203581 110911109291 1220022202201