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211112100002 = 21931593302213
BaseRepresentation
bin1100010010011101000…
…0110000000010100010
3202011220202122212000202
43010213100300002202
511424324144200002
6240552240545202
721152361146006
oct3044720600242
9664822585022
10211112100002
1181594305421
1234ab9022202
1316ba553598b
14a309c12706
155758ca8502
hex31274300a2

211112100002 has 32 divisors (see below), whose sum is σ = 344669022720. Its totient is φ = 96611132160.

The previous prime is 211112099999. The next prime is 211112100019. The reversal of 211112100002 is 200001211112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547448 + ... + 849660.

It is an arithmetic number, because the mean of its divisors is an integer number (10770906960).

Almost surely, 2211112100002 is an apocalyptic number.

211112100002 is a deficient number, since it is larger than the sum of its proper divisors (133556922718).

211112100002 is a wasteful number, since it uses less digits than its factorization.

211112100002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302858.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 211112100002 its reverse (200001211112), we get a palindrome (411113311114).

The spelling of 211112100002 in words is "two hundred eleven billion, one hundred twelve million, one hundred thousand, two".

Divisors: 1 2 19 31 38 62 589 593 1178 1186 11267 18383 22534 36766 302213 349277 604426 698554 5742047 9368603 11484094 18737206 178003457 179212309 356006914 358424618 3405033871 5555581579 6810067742 11111163158 105556050001 211112100002