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210022122102021 = 32291021178805451
BaseRepresentation
bin101111110000001110010101…
…111110111001110100000101
31000112121220210210111112100200
4233300032111332321310011
5210012000301224231041
62022402455252001113
762144411654515305
oct5760162576716405
91015556723445320
10210022122102021
1160a12977730009
121b67b83b900199
13902600264aca8
1439c11a6bd9605
1519432561ce1b6
hexbf0395fb9d05

210022122102021 has 24 divisors (see below), whose sum is σ = 313856897571360. Its totient is φ = 135173412276000.

The previous prime is 210022122102019. The next prime is 210022122102041. The reversal of 210022122102021 is 120201221220012.

It is a happy number.

210022122102021 is a `hidden beast` number, since 21 + 0 + 0 + 221 + 221 + 0 + 202 + 1 = 666.

It is not a de Polignac number, because 210022122102021 - 21 = 210022122102019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210022122101985 and 210022122102003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210022122102041) 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, 36737655 + ... + 42067796.

It is an arithmetic number, because the mean of its divisors is an integer number (13077370732140).

Almost surely, 2210022122102021 is an apocalyptic number.

It is an amenable number.

210022122102021 is a deficient number, since it is larger than the sum of its proper divisors (103834775469339).

210022122102021 is a wasteful number, since it uses less digits than its factorization.

210022122102021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78815697 (or 78815694 counting only the distinct ones).

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

Adding to 210022122102021 its reverse (120201221220012), we get a palindrome (330223343322033).

The spelling of 210022122102021 in words is "two hundred ten trillion, twenty-two billion, one hundred twenty-two million, one hundred two thousand, twenty-one".

Divisors: 1 3 9 29 87 261 10211 30633 91899 296119 888357 2665071 78805451 236416353 709249059 2285358079 6856074237 20568222711 804682460161 2414047380483 7242142141449 23335791344669 70007374034007 210022122102021