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121100332201 = 178397884803
BaseRepresentation
bin111000011001000100…
…1000110110010101001
3102120120200122021111221
41300302021012302221
53441003141112301
6131344400222041
711514656561002
oct1606211066251
9376520567457
10121100332201
11473a3a86a82
121b57830a921
13b55c153304
145c0b5301a9
15323b8a4da1
hex1c32246ca9

121100332201 has 16 divisors (see below), whose sum is σ = 131106717504. Its totient is φ = 111442581504.

The previous prime is 121100332169. The next prime is 121100332273. The reversal of 121100332201 is 102233001121.

It is a cyclic number.

It is not a de Polignac number, because 121100332201 - 25 = 121100332169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121100332501) 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, 305535 + ... + 579268.

It is an arithmetic number, because the mean of its divisors is an integer number (8194169844).

Almost surely, 2121100332201 is an apocalyptic number.

It is an amenable number.

121100332201 is a deficient number, since it is larger than the sum of its proper divisors (10006385303).

121100332201 is an equidigital number, since it uses as much as digits as its factorization.

121100332201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885000.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 121100332201 its reverse (102233001121), we get a palindrome (223333333322).

The spelling of 121100332201 in words is "one hundred twenty-one billion, one hundred million, three hundred thirty-two thousand, two hundred one".

Divisors: 1 17 83 97 1411 1649 8051 136867 884803 15041651 73438649 85825891 1248457033 1459040147 7123548953 121100332201