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20101100201211 = 3197116093086957
BaseRepresentation
bin1001001001000001001101…
…11011111110010011111011
32122011122110020022212020110
410210200212323332103323
510113314023122414321
6110430152402155403
74143154000402041
oct444404673762373
978148406285213
1020101100201211
11644a913035637
122307889952b63
13b2a6aaa148c3
144d6c81470391
1524cd20996176
hex124826efe4fb

20101100201211 has 32 divisors (see below), whose sum is σ = 28627213708800. Its totient is φ = 12508839624960.

The previous prime is 20101100201201. The next prime is 20101100201213. The reversal of 20101100201211 is 11210200110102.

It is not a de Polignac number, because 20101100201211 - 223 = 20101091812603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20101100201213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4968145 + ... + 8055101.

It is an arithmetic number, because the mean of its divisors is an integer number (894600428400).

Almost surely, 220101100201211 is an apocalyptic number.

20101100201211 is a deficient number, since it is larger than the sum of its proper divisors (8526113507589).

20101100201211 is a wasteful number, since it uses less digits than its factorization.

20101100201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3088659.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20101100201211 its reverse (11210200110102), we get a palindrome (31311300311313).

The spelling of 20101100201211 in words is "twenty trillion, one hundred one billion, one hundred million, two hundred one thousand, two hundred eleven".

Divisors: 1 3 19 57 71 213 1349 1609 4047 4827 30571 91713 114239 342717 2170541 3086957 6511623 9260871 58652183 175956549 219173947 657521841 4164304993 4966913813 12492914979 14900741439 94371362447 283114087341 352650880723 1057952642169 6700366733737 20101100201211