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22021222112201 = 13101179199470837
BaseRepresentation
bin1010000000111001101110…
…00111110001101111001001
32212222012121211110100122102
411000130313013301233021
510341243430330042301
6114500224302403145
74431660261346124
oct500346707615711
985865554410572
1022021222112201
117020169876924
122577a3a8904b5
13c39791489b40
14561b9343b3bb
15282c51036b6b
hex1407371f1bc9

22021222112201 has 32 divisors (see below), whose sum is σ = 24204839904000. Its totient is φ = 19912972780800.

The previous prime is 22021222112177. The next prime is 22021222112207. The reversal of 22021222112201 is 10221122212022.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22021222112201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22021222112207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 46534955 + ... + 47005791.

It is an arithmetic number, because the mean of its divisors is an integer number (756401247000).

Almost surely, 222021222112201 is an apocalyptic number.

It is an amenable number.

22021222112201 is a deficient number, since it is larger than the sum of its proper divisors (2183617791799).

22021222112201 is a wasteful number, since it uses less digits than its factorization.

22021222112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471329.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22021222112201 its reverse (10221122212022), we get a palindrome (32242344324223).

The spelling of 22021222112201 in words is "twenty-two trillion, twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, two hundred one".

Divisors: 1 13 101 179 199 1313 2327 2587 18079 20099 35621 235027 261287 463073 470837 3597721 6120881 46770373 47554537 84279823 93696563 618208981 1095637699 1218055319 8512262123 9463352863 16771684777 110659407599 123023587219 218031902101 1693940162477 22021222112201