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22020212011121 = 436710197500739
BaseRepresentation
bin1010000000110111110101…
…11010100011000001110001
32212222010000102202220110022
411000123322322203001301
510341234343233323441
6114455540140413225
74431623244545042
oct500337272430161
985863012686408
1022020212011121
11701a7a0683a45
1225777b8547215
13c396601240ac
15282be250c84b
hex1406faea3071

22020212011121 has 16 divisors (see below), whose sum is σ = 22891058361600. Its totient is φ = 21166302559248.

The previous prime is 22020212011093. The next prime is 22020212011163. The reversal of 22020212011121 is 12111021202022.

It is a cyclic number.

It is not a de Polignac number, because 22020212011121 - 226 = 22020144902257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22020212011121.

It is not an unprimeable number, because it can be changed into a prime (22020212011921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814631 + ... + 6686108.

It is an arithmetic number, because the mean of its divisors is an integer number (1430691147600).

Almost surely, 222020212011121 is an apocalyptic number.

It is an amenable number.

22020212011121 is a deficient number, since it is larger than the sum of its proper divisors (870846350479).

22020212011121 is a wasteful number, since it uses less digits than its factorization.

22020212011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501868.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22020212011121 its reverse (12111021202022), we get a palindrome (34131233213143).

The spelling of 22020212011121 in words is "twenty-two trillion, twenty billion, two hundred twelve million, eleven thousand, one hundred twenty-one".