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10211011012111 = 7213157127133761
BaseRepresentation
bin1001010010010110111110…
…1011110010011000001111
31100011011101220200022100011
42110211233223302120033
52314244122304341421
633414512415214051
72102502241350400
oct224455753623017
940134356608304
1010211011012111
113287513574628
12118ab66b17327
13590b81759480
142743037499a7
1512a929dce4e1
hex9496faf260f

10211011012111 has 48 divisors (see below), whose sum is σ = 12808081063008. Its totient is φ = 8068777113600.

The previous prime is 10211011012051. The next prime is 10211011012127. The reversal of 10211011012111 is 11121011011201.

It is not a de Polignac number, because 10211011012111 - 227 = 10210876794383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 10211011012091 and 10211011012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211011016111) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2714970471 + ... + 2714974231.

It is an arithmetic number, because the mean of its divisors is an integer number (266835022146).

Almost surely, 210211011012111 is an apocalyptic number.

10211011012111 is a deficient number, since it is larger than the sum of its proper divisors (2597070050897).

10211011012111 is a wasteful number, since it uses less digits than its factorization.

10211011012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8072 (or 8065 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 10211011012111 its reverse (11121011011201), we get a palindrome (21332022023312).

The spelling of 10211011012111 in words is "ten trillion, two hundred eleven billion, eleven million, twelve thousand, one hundred eleven".

Divisors: 1 7 13 49 91 637 1571 2713 3761 10997 18991 20423 26327 35269 48893 76979 132937 142961 184289 246883 342251 1000727 1728181 2395757 4262123 5908531 10203593 29834861 41359717 55407599 71425151 76810903 132646709 208844027 289518019 387853193 499976057 537676321 928526963 2714972351 3763734247 6499688741 16029844603 112208912221 208387979839 785462385547 1458715858873 10211011012111