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10101220102111 = 191912783472059
BaseRepresentation
bin1001001011111101111110…
…1000101100111111011111
31022202200000101201012112011
42102333133220230333133
52310444244321231421
633252234135052051
72061534436123645
oct222773750547737
938680011635464
1010101220102111
1132449a3455976
121171826211027
1358370567a178
1426cc8a233195
15127b513394e1
hex92fdfa2cfdf

10101220102111 has 8 divisors (see below), whose sum is σ = 10688532710400. Its totient is φ = 9519474438360.

The previous prime is 10101220102109. The next prime is 10101220102133. The reversal of 10101220102111 is 11120102210101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10101220102111 - 21 = 10101220102109 is a prime.

It is a super-3 number, since 3×101012201021113 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10101220102091 and 10101220102100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101220502111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1391732401 + ... + 1391739658.

It is an arithmetic number, because the mean of its divisors is an integer number (1336066588800).

Almost surely, 210101220102111 is an apocalyptic number.

10101220102111 is a deficient number, since it is larger than the sum of its proper divisors (587312608289).

10101220102111 is a wasteful number, since it uses less digits than its factorization.

10101220102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2783472269.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10101220102111 its reverse (11120102210101), we get a palindrome (21221322312212).

The spelling of 10101220102111 in words is "ten trillion, one hundred one billion, two hundred twenty million, one hundred two thousand, one hundred eleven".

Divisors: 1 19 191 3629 2783472059 52885969121 531643163269 10101220102111