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121001030101 = 71710117535743
BaseRepresentation
bin111000010110000111…
…0010011000111010101
3102120022202210012122101
41300230032103013111
53440302230430401
6131330452002101
711512342533340
oct1605416230725
9376282705571
10121001030101
1147352a21926
121b54b000331
13b5446c5383
145bdc281457
153232cdc101
hex1c2c3931d5

121001030101 has 32 divisors (see below), whose sum is σ = 147981247488. Its totient is φ = 96575846400.

The previous prime is 121001030081. The next prime is 121001030231. The reversal of 121001030101 is 101030100121.

It is a cyclic number.

It is not a de Polignac number, because 121001030101 - 25 = 121001030069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121001030401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21066436 + ... + 21072178.

It is an arithmetic number, because the mean of its divisors is an integer number (4624413984).

Almost surely, 2121001030101 is an apocalyptic number.

It is an amenable number.

121001030101 is a deficient number, since it is larger than the sum of its proper divisors (26980217387).

121001030101 is a wasteful number, since it uses less digits than its factorization.

121001030101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7621.

The product of its (nonzero) digits is 6, while the sum is 10.

Adding to 121001030101 its reverse (101030100121), we get a palindrome (222031130222).

The spelling of 121001030101 in words is "one hundred twenty-one billion, one million, thirty thousand, one hundred one".

Divisors: 1 7 17 101 119 707 1717 1753 5743 12019 12271 29801 40201 97631 177053 208607 580043 683417 1239371 3009901 4060301 9860731 10067479 21069307 69025117 70472353 171147143 1016815379 1198030001 7117707653 17285861443 121001030101