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2211011020212 = 223184250918351
BaseRepresentation
bin100000001011001010100…
…001101100010110110100
321211101000011022022120220
4200023022201230112310
5242211122310121322
64411420251254340
7315511625403561
oct40131241542664
97741004268526
102211011020212
11782759097495
122b861314a3b0
13130660b68c07
14790290ad868
153c7a7e6b55c
hex202ca86c5b4

2211011020212 has 12 divisors (see below), whose sum is σ = 5159025713856. Its totient is φ = 737003673400.

The previous prime is 2211011020201. The next prime is 2211011020219. The reversal of 2211011020212 is 2120201101122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2211011020191 and 2211011020200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211011020219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92125459164 + ... + 92125459187.

It is an arithmetic number, because the mean of its divisors is an integer number (429918809488).

Almost surely, 22211011020212 is an apocalyptic number.

It is an amenable number.

2211011020212 is an abundant number, since it is smaller than the sum of its proper divisors (2948014693644).

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

2211011020212 is a wasteful number, since it uses less digits than its factorization.

2211011020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184250918358 (or 184250918356 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2211011020212 its reverse (2120201101122), we get a palindrome (4331212121334).

The spelling of 2211011020212 in words is "two trillion, two hundred eleven billion, eleven million, twenty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 184250918351 368501836702 552752755053 737003673404 1105505510106 2211011020212