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10210120220221 = 467187311672831
BaseRepresentation
bin1001010010010011101010…
…0101101011111000111101
31100011002002211111101120221
42110210322211223320331
52314240311234021341
633414244154341341
72102441203632445
oct224447245537075
940132084441527
1010210120220221
1132870a6761489
12118a95872a851
13590a6c03808c
1427425b309125
1512a8c6ac0ed1
hex9493a96be3d

10210120220221 has 8 divisors (see below), whose sum is σ = 10237447194624. Its totient is φ = 10182816596160.

The previous prime is 10210120220219. The next prime is 10210120220249. The reversal of 10210120220221 is 12202202101201.

It is a happy number.

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 10210120220221 - 21 = 10210120220219 is a prime.

It is a super-2 number, since 2×102101202202212 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10210120220195 and 10210120220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10210120220621) 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, 4961725 + ... + 6711106.

It is an arithmetic number, because the mean of its divisors is an integer number (1279680899328).

Almost surely, 210210120220221 is an apocalyptic number.

It is an amenable number.

10210120220221 is a deficient number, since it is larger than the sum of its proper divisors (27326974403).

10210120220221 is a wasteful number, since it uses less digits than its factorization.

10210120220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11675171.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10210120220221 its reverse (12202202101201), we get a palindrome (22412322321422).

The spelling of 10210120220221 in words is "ten trillion, two hundred ten billion, one hundred twenty million, two hundred twenty thousand, two hundred twenty-one".

Divisors: 1 467 1873 874691 11672831 5451212077 21863212463 10210120220221