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121022211101210 = 25231094827371803
BaseRepresentation
bin11011100001000110101101…
…111001110001001000011010
3120212111121110222022022022122
4123201012231321301020122
5111330311442020214320
61105220500344221242
734330365132163256
oct3341065571611032
9525447428268278
10121022211101210
113561a2601401a1
12116a6ab976a822
13526b4651ba643
1421c57132c9266
15ded0eace8d25
hex6e11ade7121a

121022211101210 has 32 divisors (see below), whose sum is σ = 229396708126080. Its totient is φ = 45879341606208.

The previous prime is 121022211101201. The next prime is 121022211101219. The reversal of 121022211101210 is 12101112220121.

It is an interprime number because it is at equal distance from previous prime (121022211101201) and next prime (121022211101219).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121022211101219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2413660832 + ... + 2413710971.

It is an arithmetic number, because the mean of its divisors is an integer number (7168647128940).

Almost surely, 2121022211101210 is an apocalyptic number.

121022211101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121022211101210 is a deficient number, since it is larger than the sum of its proper divisors (108374497024870).

121022211101210 is a wasteful number, since it uses less digits than its factorization.

121022211101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4827371942.

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

Adding to 121022211101210 its reverse (12101112220121), we get a palindrome (133123323321331).

The spelling of 121022211101210 in words is "one hundred twenty-one trillion, twenty-two billion, two hundred eleven million, one hundred one thousand, two hundred ten".

Divisors: 1 2 5 10 23 46 109 115 218 230 545 1090 2507 5014 12535 25070 4827371803 9654743606 24136859015 48273718030 111029551469 222059102938 526183526527 555147757345 1052367053054 1110295514690 2630917632635 5261835265270 12102221110121 24204442220242 60511105550605 121022211101210