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2112220122001 = 11279016882191
BaseRepresentation
bin11110101111001010001…
…000010100101110010001
321110221000020210201011221
4132233022020110232101
5234101311322401001
64254201315405041
7305413532542303
oct36571210245621
97427006721157
102112220122001
11744873214470
122a14422b3781
131242489b9722
147433686b973
1539e24e691a1
hex1ebca214b91

2112220122001 has 8 divisors (see below), whose sum is σ = 2304323054208. Its totient is φ = 1920131010000.

The previous prime is 2112220121981. The next prime is 2112220122049. The reversal of 2112220122001 is 1002210222112.

It is a happy number.

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 2112220122001 - 27 = 2112220121873 is a prime.

It is a super-2 number, since 2×21122201220012 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112220122301) 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, 3134185 + ... + 3748006.

It is an arithmetic number, because the mean of its divisors is an integer number (288040381776).

Almost surely, 22112220122001 is an apocalyptic number.

It is an amenable number.

2112220122001 is a deficient number, since it is larger than the sum of its proper divisors (192102932207).

2112220122001 is a wasteful number, since it uses less digits than its factorization.

2112220122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6910103.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2112220122001 its reverse (1002210222112), we get a palindrome (3114430344113).

The spelling of 2112220122001 in words is "two trillion, one hundred twelve billion, two hundred twenty million, one hundred twenty-two thousand, one".

Divisors: 1 11 27901 306911 6882191 75704101 192020011091 2112220122001