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211212202211102 = 2216259488331589
BaseRepresentation
bin110000000001100010101100…
…010010001111011100011110
31000200211200121112011222012202
4300001202230102033130132
5210141000042231223402
62025113313550531502
762326402160525501
oct6001425422173436
91020750545158182
10211212202211102
1161331656948244
121b83240b206b92
1390b12c0a16451
143a22a21a95138
1519641aa082b02
hexc018ac48f71e

211212202211102 has 8 divisors (see below), whose sum is σ = 316819768960200. Its totient is φ = 105605612557704.

The previous prime is 211212202211047. The next prime is 211212202211107. The reversal of 211212202211102 is 201112202212112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2112122022111022 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211212202211107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 243733277 + ... + 244598312.

It is an arithmetic number, because the mean of its divisors is an integer number (39602471120025).

Almost surely, 2211212202211102 is an apocalyptic number.

211212202211102 is a deficient number, since it is larger than the sum of its proper divisors (105607566749098).

211212202211102 is a wasteful number, since it uses less digits than its factorization.

211212202211102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488547850.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 211212202211102 its reverse (201112202212112), we get a palindrome (412324404423214).

The spelling of 211212202211102 in words is "two hundred eleven trillion, two hundred twelve billion, two hundred two million, two hundred eleven thousand, one hundred two".

Divisors: 1 2 216259 432518 488331589 976663178 105606101105551 211212202211102