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211222000101 = 3723942084479
BaseRepresentation
bin1100010010110111001…
…1111111000111100101
3202012012102110100121210
43010231303333013211
511430040313000401
6241011204302033
721155164243320
oct3045563770745
9665172410553
10211222000101
1181640348a52
1234b299a1919
1316bc2234718
14a31a65d7b7
1557637664d6
hex312dcff1e5

211222000101 has 16 divisors (see below), whose sum is σ = 323208806400. Its totient is φ = 120193269168.

The previous prime is 211222000057. The next prime is 211222000109. The reversal of 211222000101 is 101000222112.

It is not a de Polignac number, because 211222000101 - 213 = 211221991909 is a prime.

It is a super-2 number, since 2×2112220001012 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211222000109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21037221 + ... + 21047258.

It is an arithmetic number, because the mean of its divisors is an integer number (20200550400).

Almost surely, 2211222000101 is an apocalyptic number.

211222000101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

211222000101 is a deficient number, since it is larger than the sum of its proper divisors (111986806299).

211222000101 is a wasteful number, since it uses less digits than its factorization.

211222000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42084728.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 211222000101 its reverse (101000222112), we get a palindrome (312222222213).

The spelling of 211222000101 in words is "two hundred eleven billion, two hundred twenty-two million, one hundred one", and thus it is an aban number.

Divisors: 1 3 7 21 239 717 1673 5019 42084479 126253437 294591353 883774059 10058190481 30174571443 70407333367 211222000101