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122011222220011 = 644391893437549
BaseRepresentation
bin11011101111011111110011…
…100011110001110011101011
3121000000011021212012201200201
4123233133303203301303223
5111443012440342020021
61111255103125013031
734462006554035635
oct3357376343616353
9530004255181621
10122011222220011
113597073a131a93
1211826713554177
1353107bb9526c7
14221b536117a55
15e18bd296a591
hex6ef7f38f1ceb

122011222220011 has 4 divisors (see below), whose sum is σ = 122013115722000. Its totient is φ = 122009328718024.

The previous prime is 122011222219967. The next prime is 122011222220023. The reversal of 122011222220011 is 110022222110221.

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 122011222220011 - 27 = 122011222219883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122011222220311) 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, 946654336 + ... + 946783213.

It is an arithmetic number, because the mean of its divisors is an integer number (30503278930500).

Almost surely, 2122011222220011 is an apocalyptic number.

122011222220011 is a deficient number, since it is larger than the sum of its proper divisors (1893501989).

122011222220011 is an equidigital number, since it uses as much as digits as its factorization.

122011222220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893501988.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 122011222220011 its reverse (110022222110221), we get a palindrome (232033444330232).

The spelling of 122011222220011 in words is "one hundred twenty-two trillion, eleven billion, two hundred twenty-two million, two hundred twenty thousand, eleven".

Divisors: 1 64439 1893437549 122011222220011