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21011110010102 = 223890214397431
BaseRepresentation
bin1001100011100000001111…
…01111111001110011110110
32202101122100101022220212102
410301300013233321303312
510223221223130310402
6112404212022422102
74266000615216632
oct461600757716366
982348311286772
1021011110010102
116770841929a63
122434116291932
13b95454213a44
14528d2c00ddc2
15266831b6c102
hex131c07bf9cf6

21011110010102 has 8 divisors (see below), whose sum is σ = 31516685374512. Its totient is φ = 10505548218600.

The previous prime is 21011110010003. The next prime is 21011110010227. The reversal of 21011110010102 is 20101001111012.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2579327 + ... + 6976757.

It is an arithmetic number, because the mean of its divisors is an integer number (3939585671814).

Almost surely, 221011110010102 is an apocalyptic number.

21011110010102 is a deficient number, since it is larger than the sum of its proper divisors (10505575364410).

21011110010102 is a wasteful number, since it uses less digits than its factorization.

21011110010102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786454.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 21011110010102 its reverse (20101001111012), we get a palindrome (41112111121114).

The spelling of 21011110010102 in words is "twenty-one trillion, eleven billion, one hundred ten million, ten thousand, one hundred two".

Divisors: 1 2 2389021 4397431 4778042 8794862 10505555005051 21011110010102