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10211012121101 = 1119929191159799
BaseRepresentation
bin1001010010010110111111…
…0000000001001000001101
31100011011101222202122120212
42110211233300001020031
52314244123100333401
633414512455052205
72102502253646531
oct224455760011015
940134358678525
1010211012121101
113287514161850
12118ab67371065
13590b81a5718c
14274303957bc1
1512a92a04cdbb
hex9496fc0120d

10211012121101 has 16 divisors (see below), whose sum is σ = 11195715840000. Its totient is φ = 9235717167600.

The previous prime is 10211012121091. The next prime is 10211012121113. The reversal of 10211012121101 is 10112121011201.

It is not a de Polignac number, because 10211012121101 - 222 = 10211007926797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211012121601) 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, 63819200 + ... + 63978998.

It is an arithmetic number, because the mean of its divisors is an integer number (699732240000).

Almost surely, 210211012121101 is an apocalyptic number.

10211012121101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10211012121101 is a deficient number, since it is larger than the sum of its proper divisors (984703718899).

10211012121101 is a wasteful number, since it uses less digits than its factorization.

10211012121101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189200.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 10211012121101 its reverse (10112121011201), we get a palindrome (20323133132302).

The spelling of 10211012121101 in words is "ten trillion, two hundred eleven billion, twelve million, one hundred twenty-one thousand, one hundred one".

Divisors: 1 11 199 2189 29191 159799 321101 1757789 5809009 31800001 63899099 349800011 4664692609 51311618699 928273829191 10211012121101