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10212001100021 = 72363428578261
BaseRepresentation
bin1001010010011010101010…
…1100101011000011110101
31100011020221220200222121202
42110212222230223003311
52314303134240200041
633415154544222245
72102535623066150
oct224465254530365
940136856628552
1010212001100021
1132879814382a6
12118b1a260a985
13590cab905ac6
14274399036c97
1512a986ca3a9b
hex949aab2b0f5

10212001100021 has 8 divisors (see below), whose sum is σ = 12178287026304. Its totient is φ = 8372572330320.

The previous prime is 10212001100009. The next prime is 10212001100053. The reversal of 10212001100021 is 12000110021201.

10212001100021 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 10212001100021 - 234 = 10194821230837 is a prime.

It is a super-2 number, since 2×102120011000212 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10212001099975 and 10212001100011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212001105021) 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, 31714288970 + ... + 31714289291.

It is an arithmetic number, because the mean of its divisors is an integer number (1522285878288).

Almost surely, 210212001100021 is an apocalyptic number.

It is an amenable number.

10212001100021 is a deficient number, since it is larger than the sum of its proper divisors (1966285926283).

10212001100021 is an equidigital number, since it uses as much as digits as its factorization.

10212001100021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63428578291.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 10212001100021 its reverse (12000110021201), we get a palindrome (22212111121222).

The spelling of 10212001100021 in words is "ten trillion, two hundred twelve billion, one million, one hundred thousand, twenty-one".

Divisors: 1 7 23 161 63428578261 444000047827 1458857300003 10212001100021