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121220002011211 = 1688970663101573
BaseRepresentation
bin11011100011111110111011…
…001010001101100001001011
3120220012112000100210121000221
4123203332323022031201023
5111342032031003324321
61105451411122010511
734350566440161535
oct3343767312154113
9526175010717027
10121220002011211
1135696128a33384
12117192b94a6a37
135283cc694486c
1421d1117c44855
15e03325357e41
hex6e3fbb28d84b

121220002011211 has 8 divisors (see below), whose sum is σ = 121230088547040. Its totient is φ = 121209915853632.

The previous prime is 121220002011203. The next prime is 121220002011247. The reversal of 121220002011211 is 112110200022121.

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 121220002011211 - 23 = 121220002011203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121220002011271) 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, 1193376621 + ... + 1193478193.

It is an arithmetic number, because the mean of its divisors is an integer number (15153761068380).

Almost surely, 2121220002011211 is an apocalyptic number.

121220002011211 is a deficient number, since it is larger than the sum of its proper divisors (10086535829).

121220002011211 is a wasteful number, since it uses less digits than its factorization.

121220002011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189125.

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

Adding to 121220002011211 its reverse (112110200022121), we get a palindrome (233330202033332).

The spelling of 121220002011211 in words is "one hundred twenty-one trillion, two hundred twenty billion, two million, eleven thousand, two hundred eleven".

Divisors: 1 16889 70663 101573 1193427407 1715466397 7177452899 121220002011211