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10211100022111 = 69071478369773
BaseRepresentation
bin1001010010010111010011…
…1111010101010101011111
31100011011122010011111002211
42110211310333111111133
52314244313101201421
633414525315101251
72102504402050642
oct224456477252537
940134563144084
1010211100022111
11328755983a10a
12118ab908a1827
13590b97022901
142743114b9a59
1512a932b129e1
hex94974fd555f

10211100022111 has 4 divisors (see below), whose sum is σ = 10212578398792. Its totient is φ = 10209621645432.

The previous prime is 10211100022099. The next prime is 10211100022139. The reversal of 10211100022111 is 11122000111201.

Adding to 10211100022111 its reverse (11122000111201), we get a palindrome (21333100133312).

It is a happy number.

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 10211100022111 - 221 = 10211097924959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10211100022091 and 10211100022100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10211100022171) 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, 739177980 + ... + 739191793.

It is an arithmetic number, because the mean of its divisors is an integer number (2553144599698).

Almost surely, 210211100022111 is an apocalyptic number.

10211100022111 is a deficient number, since it is larger than the sum of its proper divisors (1478376681).

10211100022111 is an equidigital number, since it uses as much as digits as its factorization.

10211100022111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1478376680.

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

The spelling of 10211100022111 in words is "ten trillion, two hundred eleven billion, one hundred million, twenty-two thousand, one hundred eleven".

Divisors: 1 6907 1478369773 10211100022111