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1220110022210 = 25122011002221
BaseRepresentation
bin10001110000010100001…
…110010111011001000010
311022122022120021002022212
4101300110032113121002
5124442241131202320
62332302200102122
7154102315033262
oct21602416273102
94278276232285
101220110022210
1143049a332462
12178570464942
138b095a04b31
14430a728d7a2
1521b1043a9c5
hex11c14397642

1220110022210 has 8 divisors (see below), whose sum is σ = 2196198039996. Its totient is φ = 488044008880.

The previous prime is 1220110022207. The next prime is 1220110022237. The reversal of 1220110022210 is 122200110221.

It can be written as a sum of positive squares in 2 ways, for example, as 1089470425729 + 130639596481 = 1043777^2 + 361441^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61005501101 + ... + 61005501120.

Almost surely, 21220110022210 is an apocalyptic number.

1220110022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220110022210 is a deficient number, since it is larger than the sum of its proper divisors (976088017786).

1220110022210 is a wasteful number, since it uses less digits than its factorization.

1220110022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122011002228.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 1220110022210 its reverse (122200110221), we get a palindrome (1342310132431).

The spelling of 1220110022210 in words is "one trillion, two hundred twenty billion, one hundred ten million, twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 122011002221 244022004442 610055011105 1220110022210