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2021001211112 = 231322117084471
BaseRepresentation
bin11101011010001101000…
…011110010110011101000
321011012120001022220122212
4131122031003302303220
5231103002302223422
64144233553504252
7266004202565552
oct35321503626350
97135501286585
102021001211112
1170a113550604
12287825272088
1311876c4b1500
146db61b1a4d2
1537886ab89e2
hex1d68d0f2ce8

2021001211112 has 48 divisors (see below), whose sum is σ = 4122737635680. Its totient is φ = 928348948800.

The previous prime is 2021001211039. The next prime is 2021001211121. The reversal of 2021001211112 is 2111121001202.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3256964 + ... + 3827507.

It is an arithmetic number, because the mean of its divisors is an integer number (85890367410).

Almost surely, 22021001211112 is an apocalyptic number.

It is an amenable number.

2021001211112 is an abundant number, since it is smaller than the sum of its proper divisors (2101736424568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021001211112 is a wasteful number, since it uses less digits than its factorization.

2021001211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084714 (or 7084697 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2021001211112 its reverse (2111121001202), we get a palindrome (4132122212314).

The spelling of 2021001211112 in words is "two trillion, twenty-one billion, one million, two hundred eleven thousand, one hundred twelve".

Divisors: 1 2 4 8 13 26 52 104 169 211 338 422 676 844 1352 1688 2743 5486 10972 21944 35659 71318 142636 285272 7084471 14168942 28337884 56675768 92098123 184196246 368392492 736784984 1197275599 1494823381 2394551198 2989646762 4789102396 5979293524 9578204792 11958587048 19432703953 38865407906 77730815812 155461631624 252625151389 505250302778 1010500605556 2021001211112