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121020210121201 = 181696795969563
BaseRepresentation
bin11011100001000100110110…
…101000101000100111110001
3120212111102022112002222202221
4123201010312220220213301
5111330243342242334301
61105215530024241041
734330264424140306
oct3341046650504761
9525442275088687
10121020210121201
1135619423694306
12116a663b610181
13526b20678c1c1
1421c55a36570ad
15ded0302e0da1
hex6e1136a289f1

121020210121201 has 8 divisors (see below), whose sum is σ = 121706297795264. Its totient is φ = 120334314400560.

The previous prime is 121020210121079. The next prime is 121020210121219. The reversal of 121020210121201 is 102121012020121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121020210121201 - 27 = 121020210121073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121020210121241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46723755 + ... + 49245808.

It is an arithmetic number, because the mean of its divisors is an integer number (15213287224408).

Almost surely, 2121020210121201 is an apocalyptic number.

It is an amenable number.

121020210121201 is a deficient number, since it is larger than the sum of its proper divisors (686087674063).

121020210121201 is an equidigital number, since it uses as much as digits as its factorization.

121020210121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95976711.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 121020210121201 its reverse (102121012020121), we get a palindrome (223141222141322).

The spelling of 121020210121201 in words is "one hundred twenty-one trillion, twenty billion, two hundred ten million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 181 6967 1261027 95969563 17370490903 668619945421 121020210121201