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121030030101 = 3127743342737
BaseRepresentation
bin111000010110111110…
…0111011001100010101
3102120101210100120011110
41300231330323030111
53440332141430401
6131333405325233
711513144165421
oct1605574731425
9376353316143
10121030030101
1147368329a72
121b558866819
13b54a70a136
145c0206db81
1532356199d6
hex1c2df3b315

121030030101 has 16 divisors (see below), whose sum is σ = 162669717504. Its totient is φ = 80038715904.

The previous prime is 121030029997. The next prime is 121030030117. The reversal of 121030030101 is 101030030121.

It is not a de Polignac number, because 121030030101 - 213 = 121030021909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121030030201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2810605 + ... + 2853341.

It is an arithmetic number, because the mean of its divisors is an integer number (10166857344).

Almost surely, 2121030030101 is an apocalyptic number.

It is an amenable number.

121030030101 is a deficient number, since it is larger than the sum of its proper divisors (41639687403).

121030030101 is a wasteful number, since it uses less digits than its factorization.

121030030101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50300.

The product of its (nonzero) digits is 18, while the sum is 12.

Adding to 121030030101 its reverse (101030030121), we get a palindrome (222060060222).

The spelling of 121030030101 in words is "one hundred twenty-one billion, thirty million, thirty thousand, one hundred one".

Divisors: 1 3 127 381 7433 22299 42737 128211 943991 2831973 5427599 16282797 317664121 952992363 40343343367 121030030101