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22201101222121 = 172356780310031
BaseRepresentation
bin1010000110001000110001…
…10000001000000011101001
32220121101220220201220212201
411003010120300020003221
510402220323403101441
6115115013424140201
74450655661510043
oct503043060100351
986541826656781
1022201101222121
11708a485949548
1225a687ba67661
13c5072a0552a3
1456a779168a93
1528777cd10c31
hex143118c080e9

22201101222121 has 8 divisors (see below), whose sum is σ = 24529093933824. Its totient is φ = 19986669130560.

The previous prime is 22201101222089. The next prime is 22201101222149. The reversal of 22201101222121 is 12122210110222.

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 22201101222121 - 25 = 22201101222089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22201101222191) 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, 28390154625 + ... + 28390155406.

It is an arithmetic number, because the mean of its divisors is an integer number (3066136741728).

Almost surely, 222201101222121 is an apocalyptic number.

It is an amenable number.

22201101222121 is a deficient number, since it is larger than the sum of its proper divisors (2327992711703).

22201101222121 is a wasteful number, since it uses less digits than its factorization.

22201101222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56780310071.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22201101222121 its reverse (12122210110222), we get a palindrome (34323311332343).

The spelling of 22201101222121 in words is "twenty-two trillion, two hundred one billion, one hundred one million, two hundred twenty-two thousand, one hundred twenty-one".

Divisors: 1 17 23 391 56780310031 965265270527 1305947130713 22201101222121