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12211111121002 = 228879173230551
BaseRepresentation
bin1011000110110001111011…
…1100001101000001101010
31121020101000022220012212221
42301230132330031001222
53100031323421333002
641545412414024254
72400136500643213
oct261543674150152
947211008805787
1012211111121002
113988780980732
1214527184a808a
136a766c971a71
1430304161840a
1516298ba83c37
hexb1b1ef0d06a

12211111121002 has 16 divisors (see below), whose sum is σ = 18325088191872. Its totient is φ = 6102748875600.

The previous prime is 12211111120993. The next prime is 12211111121003. The reversal of 12211111121002 is 20012111111221.

12211111121002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×122111111210022 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211111121003) 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, 52849627 + ... + 53080177.

It is an arithmetic number, because the mean of its divisors is an integer number (1145318011992).

Almost surely, 212211111121002 is an apocalyptic number.

12211111121002 is a deficient number, since it is larger than the sum of its proper divisors (6113977070870).

12211111121002 is a wasteful number, since it uses less digits than its factorization.

12211111121002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242613.

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

Adding to 12211111121002 its reverse (20012111111221), we get a palindrome (32223222232223).

The spelling of 12211111121002 in words is "twelve trillion, two hundred eleven billion, one hundred eleven million, one hundred twenty-one thousand, two".

Divisors: 1 2 2887 5774 9173 18346 230551 461102 26482451 52964902 665600737 1331201474 2114844323 4229688646 6105555560501 12211111121002