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121020322233 = 340340107411
BaseRepresentation
bin111000010110101011…
…1111001000110111001
3102120101010002100110210
41300231113321012321
53440322200302413
6131332421301333
711512665523536
oct1605527710671
9376333070423
10121020322233
11473628a9338
121b555564849
13b5486bb535
145c00a63d8d
15323484d3c3
hex1c2d5f91b9

121020322233 has 4 divisors (see below), whose sum is σ = 161360429648. Its totient is φ = 80680214820.

The previous prime is 121020322187. The next prime is 121020322237. The reversal of 121020322233 is 332223020121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 121020322233 - 26 = 121020322169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121020322237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20170053703 + ... + 20170053708.

It is an arithmetic number, because the mean of its divisors is an integer number (40340107412).

Almost surely, 2121020322233 is an apocalyptic number.

It is an amenable number.

121020322233 is a deficient number, since it is larger than the sum of its proper divisors (40340107415).

121020322233 is an equidigital number, since it uses as much as digits as its factorization.

121020322233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40340107414.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 121020322233 its reverse (332223020121), we get a palindrome (453243342354).

The spelling of 121020322233 in words is "one hundred twenty-one billion, twenty million, three hundred twenty-two thousand, two hundred thirty-three".

Divisors: 1 3 40340107411 121020322233