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2122122102001 = 11344693559687
BaseRepresentation
bin11110111000011000010…
…101011000010011110001
321111212120100010102010221
4132320120111120103301
5234232101224231001
64302520041253041
7306214110146536
oct36703025302361
97455510112127
102122122102001
11748a9466a610
122a3346494181
131251662a76a5
14749d5996d8d
153a3044141a1
hex1ee185584f1

2122122102001 has 8 divisors (see below), whose sum is σ = 2315053145664. Its totient is φ = 1929192867120.

The previous prime is 2122122101959. The next prime is 2122122102007. The reversal of 2122122102001 is 1002012212212.

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 2122122102001 - 211 = 2122122099953 is a prime.

It is a super-2 number, since 2×21221221020012 (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 (2122122102007) 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, 3511780 + ... + 4071466.

It is an arithmetic number, because the mean of its divisors is an integer number (289381643208).

Almost surely, 22122122102001 is an apocalyptic number.

It is an amenable number.

2122122102001 is a deficient number, since it is larger than the sum of its proper divisors (192931043663).

2122122102001 is a wasteful number, since it uses less digits than its factorization.

2122122102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904391.

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

Adding to 2122122102001 its reverse (1002012212212), we get a palindrome (3124134314213).

The spelling of 2122122102001 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two million, one hundred two thousand, one".

Divisors: 1 11 344693 559687 3791623 6156557 192920191091 2122122102001