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222021110000121 = 3591577989532189
BaseRepresentation
bin110010011110110101010001…
…011001001110100111111001
31002010010000021220010112100120
4302132311101121032213321
5213100043213130000441
62104111031225123453
764523332036024365
oct6236652131164771
91063100256115316
10222021110000121
1164819695575763
1220a99218629589
1396b66684541c3
143cb7c441da2a5
151aa042a32c966
hexc9ed5164e9f9

222021110000121 has 16 divisors (see below), whose sum is σ = 302963060644800. Its totient is φ = 144578574474048.

The previous prime is 222021110000111. The next prime is 222021110000141. The reversal of 222021110000121 is 121000011120222.

It is not a de Polignac number, because 222021110000121 - 25 = 222021110000089 is a prime.

It is a super-4 number, since 4×2220211100001214 (a number of 58 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222021110000121.

It is not an unprimeable number, because it can be changed into a prime (222021110000111) 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, 3994738306 + ... + 3994793883.

It is an arithmetic number, because the mean of its divisors is an integer number (18935191290300).

Almost surely, 2222021110000121 is an apocalyptic number.

It is an amenable number.

222021110000121 is a deficient number, since it is larger than the sum of its proper divisors (80941950644679).

222021110000121 is a wasteful number, since it uses less digits than its factorization.

222021110000121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7989532408.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222021110000121 its reverse (121000011120222), we get a palindrome (343021121120343).

The spelling of 222021110000121 in words is "two hundred twenty-two trillion, twenty-one billion, one hundred ten million, one hundred twenty-one", and thus it is an aban number.

Divisors: 1 3 59 157 177 471 9263 27789 7989532189 23968596567 471382399151 1254356553673 1414147197453 3763069661019 74007036666707 222021110000121