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20012202122101 = 710093128325153
BaseRepresentation
bin1001000110011011101000…
…01100101101101101110101
32121212010222202220112101221
410203031310030231231311
510110334442220401401
6110321251223550341
74133556011241610
oct443156414555565
977763882815357
1020012202122101
116416144420a72
1222b25b9bbb3b1
13b221b1296727
144d284aa51177
1524a86b22e7a1
hex12337432db75

20012202122101 has 8 divisors (see below), whose sum is σ = 22871315548224. Its totient is φ = 17153145548160.

The previous prime is 20012202122083. The next prime is 20012202122117. The reversal of 20012202122101 is 10122120221002.

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 20012202122101 - 29 = 20012202121589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20012202122501) 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, 13456060 + ... + 14869093.

It is an arithmetic number, because the mean of its divisors is an integer number (2858914443528).

Almost surely, 220012202122101 is an apocalyptic number.

It is an amenable number.

20012202122101 is a deficient number, since it is larger than the sum of its proper divisors (2859113426123).

20012202122101 is a wasteful number, since it uses less digits than its factorization.

20012202122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28426091.

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

Adding to 20012202122101 its reverse (10122120221002), we get a palindrome (30134322343103).

The spelling of 20012202122101 in words is "twenty trillion, twelve billion, two hundred two million, one hundred twenty-two thousand, one hundred one".

Divisors: 1 7 100931 706517 28325153 198276071 2858886017443 20012202122101