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10220021211 = 38952377309
BaseRepresentation
bin10011000010010100…
…10010010111011011
3222101020202212111010
421201022102113123
5131412311134321
64410042305003
7511155514131
oct114112222733
928336685433
1010220021211
114374a32224
121b927b8163
13c6b46473a
146cd477751
153ec36e676
hex2612925db

10220021211 has 16 divisors (see below), whose sum is σ = 13784320800. Its totient is φ = 6734585088.

The previous prime is 10220021209. The next prime is 10220021233. The reversal of 10220021211 is 11212002201.

It is not a de Polignac number, because 10220021211 - 21 = 10220021209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10220021261) 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, 1394625 + ... + 1401933.

It is an arithmetic number, because the mean of its divisors is an integer number (861520050).

Almost surely, 210220021211 is an apocalyptic number.

10220021211 is a deficient number, since it is larger than the sum of its proper divisors (3564299589).

10220021211 is an equidigital number, since it uses as much as digits as its factorization.

10220021211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12638.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 10220021211 its reverse (11212002201), we get a palindrome (21432023412).

The spelling of 10220021211 in words is "ten billion, two hundred twenty million, twenty-one thousand, two hundred eleven".

Divisors: 1 3 89 267 5237 7309 15711 21927 466093 650501 1398279 1951503 38277233 114831699 3406673737 10220021211