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121122100101211 = 1178487140292023
BaseRepresentation
bin11011100010100011101111…
…110000000100000001011011
3120212212011022102002021012021
4123202203233300010001123
5111333431030111214321
61105334420304155311
734340532360523516
oct3342435760040133
9525764272067167
10121122100101211
1135658659951360
1211702336308b37
1352779c3a047c1
1421ca4ab6d3d7d
15e009e5409941
hex6e28efc0405b

121122100101211 has 8 divisors (see below), whose sum is σ = 132134884556544. Its totient is φ = 110109596386920.

The previous prime is 121122100101199. The next prime is 121122100101227. The reversal of 121122100101211 is 112101001221121.

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

It is a cyclic number.

It is not a de Polignac number, because 121122100101211 - 215 = 121122100068443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121122100101251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69282655 + ... + 71009368.

It is an arithmetic number, because the mean of its divisors is an integer number (16516860569568).

Almost surely, 2121122100101211 is an apocalyptic number.

121122100101211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

121122100101211 is a deficient number, since it is larger than the sum of its proper divisors (11012784455333).

121122100101211 is a wasteful number, since it uses less digits than its factorization.

121122100101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140370521.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 121122100101211 its reverse (112101001221121), we get a palindrome (233223101322332).

The spelling of 121122100101211 in words is "one hundred twenty-one trillion, one hundred twenty-two billion, one hundred million, one hundred one thousand, two hundred eleven".

Divisors: 1 11 78487 863357 140292023 1543212253 11011100009201 121122100101211