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201201211121210 = 25191120187711031
BaseRepresentation
bin101101101111110111001110…
…101101111001111000111010
3222101101122111100021111111222
4231233313032231321320322
5202332440040021334320
61551530321012352042
760244210401345266
oct5557671655717072
9871348440244458
10201201211121210
1159121a55411763
121a696186615622
138836267763051
143798294d350a6
15183da8a260825
hexb6fdceb79e3a

201201211121210 has 32 divisors (see below), whose sum is σ = 364361450563584. Its totient is φ = 79992459360000.

The previous prime is 201201211121179. The next prime is 201201211121257. The reversal of 201201211121210 is 12121112102102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41561606 + ... + 46149425.

It is an arithmetic number, because the mean of its divisors is an integer number (11386295330112).

Almost surely, 2201201211121210 is an apocalyptic number.

201201211121210 is a deficient number, since it is larger than the sum of its proper divisors (163160239442374).

201201211121210 is a wasteful number, since it uses less digits than its factorization.

201201211121210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87712430.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201201211121210 its reverse (12121112102102), we get a palindrome (213322323223312).

The spelling of 201201211121210 in words is "two hundred one trillion, two hundred one billion, two hundred eleven million, one hundred twenty-one thousand, two hundred ten".

Divisors: 1 2 5 10 191 382 955 1201 1910 2402 6005 12010 229391 458782 1146955 2293910 87711031 175422062 438555155 877110310 16752806921 33505613842 83764034605 105340948231 167528069210 210681896462 526704741155 1053409482310 20120121112121 40240242224242 100600605560605 201201211121210