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212021102010211 = 1347983353007847
BaseRepresentation
bin110000001101010100000010…
…011110000101111101100011
31000210201000112010212100102121
4300031110002132011331203
5210242223204103311321
62030533052152525111
762442006362421634
oct6015240236057543
91023630463770377
10212021102010211
116161370a78480a
121b94313a0b0797
13913c67275c030
143a4dc39dcb88b
15197a24e85c441
hexc0d502785f63

212021102010211 has 16 divisors (see below), whose sum is σ = 233425733474304. Its totient is φ = 191352845034144.

The previous prime is 212021102010203. The next prime is 212021102010239. The reversal of 212021102010211 is 112010201120212.

It is a cyclic number.

It is not a de Polignac number, because 212021102010211 - 23 = 212021102010203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212021102010271) 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, 175903311 + ... + 177104536.

It is an arithmetic number, because the mean of its divisors is an integer number (14589108342144).

Almost surely, 2212021102010211 is an apocalyptic number.

212021102010211 is a deficient number, since it is larger than the sum of its proper divisors (21404631464093).

212021102010211 is a wasteful number, since it uses less digits than its factorization.

212021102010211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353008890.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 212021102010211 its reverse (112010201120212), we get a palindrome (324031303130423).

The spelling of 212021102010211 in words is "two hundred twelve trillion, twenty-one billion, one hundred two million, ten thousand, two hundred eleven".

Divisors: 1 13 47 611 983 12779 46201 600613 353007847 4589102011 16591368809 215687794517 347006713601 4511087276813 16309315539247 212021102010211