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120022020221021 = 29109152423249107
BaseRepresentation
bin11011010010100011001101…
…111000010110100001011101
3120201221222210221201011102222
4123102203031320112201131
5111212420044134033041
61103133204354355125
734165206356032232
oct3322431570264135
9521858727634388
10120022020221021
11352740644a1186
12115650a388baa5
1351c804950b859
14218d14d795789
15dd20ac92a74b
hex6d28cde1685d

120022020221021 has 16 divisors (see below), whose sum is σ = 125301124713600. Its totient is φ = 114818965829568.

The previous prime is 120022020221011. The next prime is 120022020221023. The reversal of 120022020221021 is 120122020220021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 120022020221021 - 230 = 120020946479197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120022020221023) 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, 481684550 + ... + 481933656.

It is an arithmetic number, because the mean of its divisors is an integer number (7831320294600).

Almost surely, 2120022020221021 is an apocalyptic number.

It is an amenable number.

120022020221021 is a deficient number, since it is larger than the sum of its proper divisors (5279104492579).

120022020221021 is a wasteful number, since it uses less digits than its factorization.

120022020221021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401668.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120022020221021 its reverse (120122020220021), we get a palindrome (240144040441042).

The spelling of 120022020221021 in words is "one hundred twenty trillion, twenty-two billion, twenty million, two hundred twenty-one thousand, twenty-one".

Divisors: 1 29 109 3161 152423 249107 4420267 7224103 16614107 27152663 481809103 787427227 37969636261 1101119451569 4138690352449 120022020221021