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10201010212111 = 64691576906819
BaseRepresentation
bin1001010001110001101110…
…0101110000110100001111
31100010012120221102000211011
42110130123211300310033
52314113132103241421
633410140203310051
72101666354064155
oct224343345606417
940105527360734
1010201010212111
113283251363564
12118903581b327
1358cc4984bb34
14273a354593d5
1512a541e144e1
hex9471b970d0f

10201010212111 has 4 divisors (see below), whose sum is σ = 10202587125400. Its totient is φ = 10199433298824.

The previous prime is 10201010212093. The next prime is 10201010212229. The reversal of 10201010212111 is 11121201010201.

It is a happy number.

10201010212111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10201010212111 - 211 = 10201010210063 is a prime.

It is a super-2 number, since 2×102010102121112 (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 = 10201010212091 and 10201010212100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10201010212511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 788446941 + ... + 788459878.

It is an arithmetic number, because the mean of its divisors is an integer number (2550646781350).

Almost surely, 210201010212111 is an apocalyptic number.

10201010212111 is a deficient number, since it is larger than the sum of its proper divisors (1576913289).

10201010212111 is an equidigital number, since it uses as much as digits as its factorization.

10201010212111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576913288.

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

Adding to 10201010212111 its reverse (11121201010201), we get a palindrome (21322211222312).

The spelling of 10201010212111 in words is "ten trillion, two hundred one billion, ten million, two hundred twelve thousand, one hundred eleven".

Divisors: 1 6469 1576906819 10201010212111