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2122211222210 = 251673421737139
BaseRepresentation
bin11110111000011101101…
…001010110001011000010
321111212210112211012002102
4132320131221112023002
5234232242033102320
64302532543350402
7306216241516322
oct36703551261302
97455715735072
102122211222210
1174902a9aa982
122a33702b2402
1312517b8ac041
1474a03755282
153a30c16a175
hex1ee1da562c2

2122211222210 has 32 divisors (see below), whose sum is σ = 3843070116480. Its totient is φ = 843753968512.

The previous prime is 2122211222207. The next prime is 2122211222221. The reversal of 2122211222210 is 122221122212.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57123821 + ... + 57160959.

It is an arithmetic number, because the mean of its divisors is an integer number (120095941140).

Almost surely, 22122211222210 is an apocalyptic number.

2122211222210 is a deficient number, since it is larger than the sum of its proper divisors (1720858894270).

2122211222210 is a wasteful number, since it uses less digits than its factorization.

2122211222210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71530.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 2122211222210 its reverse (122221122212), we get a palindrome (2244432344422).

The spelling of 2122211222210 in words is "two trillion, one hundred twenty-two billion, two hundred eleven million, two hundred twenty-two thousand, two hundred ten".

Divisors: 1 2 5 10 167 334 835 1670 34217 37139 68434 74278 171085 185695 342170 371390 5714239 6202213 11428478 12404426 28571195 31011065 57142390 62022130 1270785163 2541570326 6353925815 12707851630 212221122221 424442244442 1061105611105 2122211222210