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111220201120201 = 1015572467801379
BaseRepresentation
bin11001010010011101111000…
…100101000110000111001001
3112120210112210001020010101121
4121102131320211012013021
5104034212432441321301
61032313504404315241
732266252160101015
oct3122357045060711
9476715701203347
10111220201120201
113249024a033948
12105832783a2b21
134a0a034b20c14
141d6712d345545
15ccd15cb453a1
hex6527789461c9

111220201120201 has 16 divisors (see below), whose sum is σ = 112568797189440. Its totient is φ = 109876617028800.

The previous prime is 111220201120163. The next prime is 111220201120229. The reversal of 111220201120201 is 102021102022111.

It is a cyclic number.

It is not a de Polignac number, because 111220201120201 - 241 = 109021177864649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111220201120271) 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, 138385330 + ... + 139186708.

It is an arithmetic number, because the mean of its divisors is an integer number (7035549824340).

Almost surely, 2111220201120201 is an apocalyptic number.

It is an amenable number.

111220201120201 is a deficient number, since it is larger than the sum of its proper divisors (1348596069239).

111220201120201 is a wasteful number, since it uses less digits than its factorization.

111220201120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804504.

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

Adding to 111220201120201 its reverse (102021102022111), we get a palindrome (213241303142312).

The spelling of 111220201120201 in words is "one hundred eleven trillion, two hundred twenty billion, two hundred one million, one hundred twenty thousand, two hundred one".

Divisors: 1 101 557 2467 56257 249167 801379 1374119 80939279 138786019 446368103 1977001993 45083178403 199677201293 1101190110101 111220201120201