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2010101212111 is a prime number
BaseRepresentation
bin11101010000000011010…
…111100110001111001111
321010011102102001121000011
4131100003113212033033
5230413141402241421
64135232221014051
7265140116251036
oct35200327461717
97104372047004
102010101212111
1170552a804a73
122856a29b4327
131177231cac65
146d40a23b71d
1537449bce4e1
hex1d4035e63cf

2010101212111 has 2 divisors, whose sum is σ = 2010101212112. Its totient is φ = 2010101212110.

The previous prime is 2010101212109. The next prime is 2010101212117. The reversal of 2010101212111 is 1112121010102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2010101212111 - 21 = 2010101212109 is a prime.

It is a super-2 number, since 2×20101012121112 (a number of 25 digits) contains 22 as substring.

Together with 2010101212109, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 2010101212091 and 2010101212100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010101212117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005050606055 + 1005050606056.

It is an arithmetic number, because the mean of its divisors is an integer number (1005050606056).

Almost surely, 22010101212111 is an apocalyptic number.

2010101212111 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010101212111 is an equidigital number, since it uses as much as digits as its factorization.

2010101212111 is an evil number, because the sum of its binary digits is even.

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

Adding to 2010101212111 its reverse (1112121010102), we get a palindrome (3122222222213).

The spelling of 2010101212111 in words is "two trillion, ten billion, one hundred one million, two hundred twelve thousand, one hundred eleven".