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10212102101021 = 139500914667271
BaseRepresentation
bin1001010010011011000010…
…1101111101100000011101
31100011021012221202100221112
42110212300231331200131
52314303341114213041
633415212553111405
72102541260430542
oct224466055754035
940137187670845
1010212102101021
113287a234528a7
12118b2103b8565
13590cc680a102
142743a8608bc9
1512a990aa4deb
hex949b0b7d81d

10212102101021 has 8 divisors (see below), whose sum is σ = 10287624580800. Its totient is φ = 10136608966080.

The previous prime is 10212102100987. The next prime is 10212102101039. The reversal of 10212102101021 is 12010120121201.

10212102101021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 10212102101021 - 242 = 5814055589917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10212102100987 and 10212102101005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212102101081) 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, 6637385 + ... + 8029886.

It is an arithmetic number, because the mean of its divisors is an integer number (1285953072600).

Almost surely, 210212102101021 is an apocalyptic number.

It is an amenable number.

10212102101021 is a deficient number, since it is larger than the sum of its proper divisors (75522479779).

10212102101021 is a wasteful number, since it uses less digits than its factorization.

10212102101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14672419.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 10212102101021 its reverse (12010120121201), we get a palindrome (22222222222222).

The spelling of 10212102101021 in words is "ten trillion, two hundred twelve billion, one hundred two million, one hundred one thousand, twenty-one".

Divisors: 1 139 5009 696251 14667271 2038750669 73468360439 10212102101021