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221210201012002 = 21795009211233539
BaseRepresentation
bin110010010011000010000011…
…011100111011011100100010
31002000020111012020210202221221
4302103002003130323130202
5212443301442424341002
62102250321411205254
764410623666245306
oct6223020334733442
91060214166722857
10221210201012002
11645367a0595804
12209880288a682a
139658056397897
143c8a8b90d5d06
151a892b9477c37
hexc9308373b722

221210201012002 has 16 divisors (see below), whose sum is σ = 333669954895200. Its totient is φ = 109986886182880.

The previous prime is 221210201011981. The next prime is 221210201012011. The reversal of 221210201012002 is 200210102012122.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178712949 + ... + 179946487.

It is an arithmetic number, because the mean of its divisors is an integer number (20854372180950).

Almost surely, 2221210201012002 is an apocalyptic number.

221210201012002 is a deficient number, since it is larger than the sum of its proper divisors (112459753883198).

221210201012002 is a wasteful number, since it uses less digits than its factorization.

221210201012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734641.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221210201012002 its reverse (200210102012122), we get a palindrome (421420303024124).

The spelling of 221210201012002 in words is "two hundred twenty-one trillion, two hundred ten billion, two hundred one million, twelve thousand, two".

Divisors: 1 2 179 358 500921 1001842 1233539 2467078 89664859 179329718 220803481 441606962 617905589419 1235811178838 110605100506001 221210201012002