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1222201111202 = 21182151696181
BaseRepresentation
bin10001110010010000110…
…111001111001010100010
311022211201022000102011022
4101302100313033022202
5130011031441024302
62333245455245442
7154205166014531
oct21622067171242
94284638012138
101222201111202
11431372734585
12178a54819882
138b339cc29b6
1443224c9a318
1521bd3ce28a2
hex11c90dcf2a2

1222201111202 has 8 divisors (see below), whose sum is σ = 1833456790812. Its totient is φ = 611048847600.

The previous prime is 1222201111171. The next prime is 1222201111213. The reversal of 1222201111202 is 2021111022221.

It can be written as a sum of positive squares in 2 ways, for example, as 1179289574401 + 42911536801 = 1085951^2 + 207151^2 .

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

It is a super-3 number, since 3×12222011112023 (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25824449 + ... + 25871732.

Almost surely, 21222201111202 is an apocalyptic number.

1222201111202 is a deficient number, since it is larger than the sum of its proper divisors (611255679610).

1222201111202 is a wasteful number, since it uses less digits than its factorization.

1222201111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51708004.

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

Adding to 1222201111202 its reverse (2021111022221), we get a palindrome (3243312133423).

The spelling of 1222201111202 in words is "one trillion, two hundred twenty-two billion, two hundred one million, one hundred eleven thousand, two hundred two".

Divisors: 1 2 11821 23642 51696181 103392362 611100555601 1222201111202