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211023212011001 = 13331217922506173
BaseRepresentation
bin101111111110110010101011…
…100101110101110111111001
31000200011121210110210001212222
4233332302223211311313321
5210124401014233323001
62024450420355013425
762306631625401455
oct5776625345656771
91020147713701788
10211023212011001
11612694948a8725
121b80186689a275
139099532673390
143a17813cb5665
15195e2e848661b
hexbfecab975df9

211023212011001 has 16 divisors (see below), whose sum is σ = 228046958919360. Its totient is φ = 194113032759360.

The previous prime is 211023212010997. The next prime is 211023212011021. The reversal of 211023212011001 is 100110212320112.

It is a happy number.

It is not a de Polignac number, because 211023212011001 - 22 = 211023212010997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211023212011021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1876850 + ... + 20629323.

It is an arithmetic number, because the mean of its divisors is an integer number (14252934932460).

Almost surely, 2211023212011001 is an apocalyptic number.

It is an amenable number.

211023212011001 is a deficient number, since it is larger than the sum of its proper divisors (17023746908359).

211023212011001 is a wasteful number, since it uses less digits than its factorization.

211023212011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22508696.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 211023212011001 its reverse (100110212320112), we get a palindrome (311133424331113).

The spelling of 211023212011001 in words is "two hundred eleven trillion, twenty-three billion, two hundred twelve million, eleven thousand, one".

Divisors: 1 13 331 2179 4303 28327 721249 9376237 22506173 292580249 7449543263 49040950967 96844062419 637532362571 16232554770077 211023212011001