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121210202110133 is a prime number
BaseRepresentation
bin11011100011110101110011…
…000010100011100010110101
3120220011120201101120001000202
4123203311303002203202311
5111341401443220011013
61105443110444050245
734350101542325423
oct3343656302434265
9526146641501022
10121210202110133
1135691a5a169684
1211717423533985
1352830c4547726
1421d08684cc113
15e02e4ed23858
hex6e3d730a38b5

121210202110133 has 2 divisors, whose sum is σ = 121210202110134. Its totient is φ = 121210202110132.

The previous prime is 121210202110103. The next prime is 121210202110147. The reversal of 121210202110133 is 331011202012121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108562270939684 + 12647931170449 = 10419322^2 + 3556393^2 .

It is a cyclic number.

It is not a de Polignac number, because 121210202110133 - 224 = 121210185332917 is a prime.

It is a super-2 number, since 2×1212102021101332 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121210202110103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605101055066 + 60605101055067.

It is an arithmetic number, because the mean of its divisors is an integer number (60605101055067).

Almost surely, 2121210202110133 is an apocalyptic number.

It is an amenable number.

121210202110133 is a deficient number, since it is larger than the sum of its proper divisors (1).

121210202110133 is an equidigital number, since it uses as much as digits as its factorization.

121210202110133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 121210202110133 its reverse (331011202012121), we get a palindrome (452221404122254).

The spelling of 121210202110133 in words is "one hundred twenty-one trillion, two hundred ten billion, two hundred two million, one hundred ten thousand, one hundred thirty-three".