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2002101220122 = 233113469309293
BaseRepresentation
bin11101001000100110100…
…010000011001100011010
321002101202212122220002120
4131020212202003030122
5230300300403020442
64131430321242110
7264434635403163
oct35104642031432
97071685586076
102002101220122
117020a4a42643
1228402b793336
13116a4998b6a3
146cc8b97676a
153712c6d64ec
hex1d22688331a

2002101220122 has 32 divisors (see below), whose sum is σ = 4018248673920. Its totient is φ = 665027286720.

The previous prime is 2002101220099. The next prime is 2002101220127. The reversal of 2002101220122 is 2210221012002.

It is a super-2 number, since 2×20021012201222 (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2002101220127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6318508 + ... + 6627800.

It is an arithmetic number, because the mean of its divisors is an integer number (125570271060).

Almost surely, 22002101220122 is an apocalyptic number.

2002101220122 is an abundant number, since it is smaller than the sum of its proper divisors (2016147453798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2002101220122 is a wasteful number, since it uses less digits than its factorization.

2002101220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313078.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 2002101220122 its reverse (2210221012002), we get a palindrome (4212322232124).

The spelling of 2002101220122 in words is "two trillion, two billion, one hundred one million, two hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 3 6 311 622 933 1866 3469 6938 10407 20814 309293 618586 927879 1078859 1855758 2157718 3236577 6473154 96190123 192380246 288570369 577140738 1072937417 2145874834 3218812251 6437624502 333683536687 667367073374 1001050610061 2002101220122