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2210111120021 = 72313727398261
BaseRepresentation
bin100000001010010100111…
…000110110001010010101
321211021200102222122121012
4200022110320312022111
5242202301421320041
64411151103302005
7315450420362060
oct40122470661225
97737612878535
102210111120021
11782337123122
122b84018aa905
131305495a8aac
1478d8177b8d7
153c753e5e3eb
hex20294e36295

2210111120021 has 8 divisors (see below), whose sum is σ = 2635660466304. Its totient is φ = 1812016570320.

The previous prime is 2210111120003. The next prime is 2210111120039. The reversal of 2210111120021 is 1200211110122.

It is an interprime number because it is at equal distance from previous prime (2210111120003) and next prime (2210111120039).

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 2210111120021 - 234 = 2192931250837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2210111119978 and 2210111120005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210111120051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6863698970 + ... + 6863699291.

It is an arithmetic number, because the mean of its divisors is an integer number (329457558288).

Almost surely, 22210111120021 is an apocalyptic number.

It is an amenable number.

2210111120021 is a deficient number, since it is larger than the sum of its proper divisors (425549346283).

2210111120021 is a wasteful number, since it uses less digits than its factorization.

2210111120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13727398291.

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

Adding to 2210111120021 its reverse (1200211110122), we get a palindrome (3410322230143).

The spelling of 2210111120021 in words is "two trillion, two hundred ten billion, one hundred eleven million, one hundred twenty thousand, twenty-one".

Divisors: 1 7 23 161 13727398261 96091787827 315730160003 2210111120021