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20210101112110 = 2571322208902321
BaseRepresentation
bin1001001100001100001111…
…11001011100110100101110
32122120001210200202212000111
410212012013321130310232
510122110241341041420
6110552220422050234
74154063101014220
oct446060771346456
978501720685014
1020210101112110
116492068224278
122324a29b7997a
13b37a5c233110
144dc261aa2410
15250a9eedc45a
hex126187e5cd2e

20210101112110 has 32 divisors (see below), whose sum is σ = 44773147081152. Its totient is φ = 6396163868160.

The previous prime is 20210101112083. The next prime is 20210101112147. The reversal of 20210101112110 is 1121110101202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11104450251 + ... + 11104452070.

It is an arithmetic number, because the mean of its divisors is an integer number (1399160846286).

Almost surely, 220210101112110 is an apocalyptic number.

20210101112110 is an abundant number, since it is smaller than the sum of its proper divisors (24563045969042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20210101112110 is a wasteful number, since it uses less digits than its factorization.

20210101112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22208902348.

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

Adding to 20210101112110 its reverse (1121110101202), we get a palindrome (21331211213312).

The spelling of 20210101112110 in words is "twenty trillion, two hundred ten billion, one hundred one million, one hundred twelve thousand, one hundred ten".

Divisors: 1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 22208902321 44417804642 111044511605 155462316247 222089023210 288715730173 310924632494 577431460346 777311581235 1443578650865 1554623162470 2021010111211 2887157301730 4042020222422 10105050556055 20210101112110