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121010102201 = 347530965687
BaseRepresentation
bin111000010110011000…
…0111001111110111001
3102120100101212010020002
41300230300321332321
53440312041232301
6131331414242345
711512512616532
oct1605460717671
9376311763202
10121010102201
114735805892a
121b5520563b5
13b546550791
145bdd563689
1532339d016b
hex1c2cc39fb9

121010102201 has 8 divisors (see below), whose sum is σ = 121383541440. Its totient is φ = 120636805648.

The previous prime is 121010102153. The next prime is 121010102221. The reversal of 121010102201 is 102201010121.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-121010102201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121010102221) 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, 1809380 + ... + 1875066.

It is an arithmetic number, because the mean of its divisors is an integer number (15172942680).

Almost surely, 2121010102201 is an apocalyptic number.

It is an amenable number.

121010102201 is a deficient number, since it is larger than the sum of its proper divisors (373439239).

121010102201 is an equidigital number, since it uses as much as digits as its factorization.

121010102201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71343.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 121010102201 its reverse (102201010121), we get a palindrome (223211112322).

The spelling of 121010102201 in words is "one hundred twenty-one billion, ten million, one hundred two thousand, two hundred one".

Divisors: 1 347 5309 65687 1842223 22793389 348732283 121010102201