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121022010210222 = 23211611222273789
BaseRepresentation
bin11011100001000110100001…
…111011011011011110101110
3120212111120221222021222200200
4123201012201323123132232
5111330311034103211342
61105220424410334330
734330360142505252
oct3341064173333656
9525446858258620
10121022010210222
113561a1677a9890
12116a6a6242a3a6
13526b4326b0934
1421c56d4754262
15ded0d836594c
hex6e11a1edb7ae

121022010210222 has 24 divisors (see below), whose sum is σ = 286052024133720. Its totient is φ = 36673336427280.

The previous prime is 121022010210221. The next prime is 121022010210281. The reversal of 121022010210222 is 222012010220121.

It is a happy number.

121022010210222 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 220 + 10 + 210 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 121022010210195 and 121022010210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121022010210221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305611136697 + ... + 305611137092.

It is an arithmetic number, because the mean of its divisors is an integer number (11918834338905).

Almost surely, 2121022010210222 is an apocalyptic number.

121022010210222 is an abundant number, since it is smaller than the sum of its proper divisors (165030013923498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121022010210222 is a wasteful number, since it uses less digits than its factorization.

121022010210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611222273808 (or 611222273805 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 121022010210222 its reverse (222012010220121), we get a palindrome (343034020430343).

The spelling of 121022010210222 in words is "one hundred twenty-one trillion, twenty-two billion, ten million, two hundred ten thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 611222273789 1222444547578 1833666821367 3667333642734 5501000464101 6723445011679 11002000928202 13446890023358 20170335035037 40340670070074 60511005105111 121022010210222