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121201022201133 = 3714317994030927
BaseRepresentation
bin11011100011101101001111…
…110111111110110100101101
3120220010201000121221100021010
4123203231033313332310231
5111341224143140414013
61105434551514455433
734346325213355350
oct3343551767766455
9526121017840233
10121201022201133
1135689079368126
12117156a1134579
135282290725b04
1421d0237244297
15e02ab3e5a7c3
hex6e3b4fdfed2d

121201022201133 has 16 divisors (see below), whose sum is σ = 184687446732800. Its totient is φ = 69257661419376.

The previous prime is 121201022201113. The next prime is 121201022201141. The reversal of 121201022201133 is 331102220102121.

It is not a de Polignac number, because 121201022201133 - 210 = 121201022200109 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121201022201113) 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, 28052316 + ... + 32083242.

It is an arithmetic number, because the mean of its divisors is an integer number (11542965420800).

Almost surely, 2121201022201133 is an apocalyptic number.

It is an amenable number.

121201022201133 is a deficient number, since it is larger than the sum of its proper divisors (63486424531667).

121201022201133 is a wasteful number, since it uses less digits than its factorization.

121201022201133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462736.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 121201022201133 its reverse (331102220102121), we get a palindrome (452303242303254).

The spelling of 121201022201133 in words is "one hundred twenty-one trillion, two hundred one billion, twenty-two million, two hundred one thousand, one hundred thirty-three".

Divisors: 1 3 7 21 1431799 4030927 4295397 10022593 12092781 28216489 30067779 84649467 5771477247673 17314431743019 40400340733711 121201022201133