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1222103002221 = 323110477418087
BaseRepresentation
bin10001110010001011000…
…000111110110001101101
311022211110110101221221100
4101302023000332301231
5130010331332032341
62333232032353313
7154202565056523
oct21621300766155
94284413357840
101222103002221
11431322314882
12178a279a5839
138b322891b4a
1443215c3c313
1521bca3b33b6
hex11c8b03ec6d

1222103002221 has 24 divisors (see below), whose sum is σ = 1822382042624. Its totient is φ = 788376408480.

The previous prime is 1222103002207. The next prime is 1222103002339. The reversal of 1222103002221 is 1222003012221.

1222103002221 is a `hidden beast` number, since 122 + 21 + 0 + 300 + 2 + 221 = 666.

It is not a de Polignac number, because 1222103002221 - 214 = 1222102985837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222103002194 and 1222103002203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222103002201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2714040 + ... + 3132126.

Almost surely, 21222103002221 is an apocalyptic number.

It is an amenable number.

1222103002221 is a deficient number, since it is larger than the sum of its proper divisors (600279040403).

1222103002221 is a wasteful number, since it uses less digits than its factorization.

1222103002221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428601 (or 428598 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 1222103002221 its reverse (1222003012221), we get a palindrome (2444106014442).

The spelling of 1222103002221 in words is "one trillion, two hundred twenty-two billion, one hundred three million, two thousand, two hundred twenty-one".

Divisors: 1 3 9 31 93 279 10477 31431 94293 324787 418087 974361 1254261 2923083 3762783 12960697 38882091 116646273 4380297499 13140892497 39422677491 135789222469 407367667407 1222103002221