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121222002301 = 313910387171
BaseRepresentation
bin111000011100101100…
…1001111011001111101
3102120220011120202111221
41300321121033121331
53441230313033201
6131404424113341
711520665006221
oct1607131173175
9376804522457
10121222002301
1147456729584
121b5b1005851
13b57b41345a
145c1d762781
1532473da4a1
hex1c3964f67d

121222002301 has 4 divisors (see below), whose sum is σ = 125132389504. Its totient is φ = 117311615100.

The previous prime is 121222002299. The next prime is 121222002311. The reversal of 121222002301 is 103200222121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 103200222121 = 293558628349.

It is a cyclic number.

It is not a de Polignac number, because 121222002301 - 21 = 121222002299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121222002311) 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, 1955193555 + ... + 1955193616.

It is an arithmetic number, because the mean of its divisors is an integer number (31283097376).

Almost surely, 2121222002301 is an apocalyptic number.

It is an amenable number.

121222002301 is a deficient number, since it is larger than the sum of its proper divisors (3910387203).

121222002301 is an equidigital number, since it uses as much as digits as its factorization.

121222002301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3910387202.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 121222002301 its reverse (103200222121), we get a palindrome (224422224422).

The spelling of 121222002301 in words is "one hundred twenty-one billion, two hundred twenty-two million, two thousand, three hundred one".

Divisors: 1 31 3910387171 121222002301