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11020121201 = 191217476587
BaseRepresentation
bin10100100001101100…
…11011010001110001
31001110000022011100002
422100312123101301
5140032122334301
65021303235345
7540042325145
oct122066332161
931400264302
1011020121201
114745631191
122176748b55
131068150c9b
1476782b225
1544771616b
hex290d9b471

11020121201 has 8 divisors (see below), whose sum is σ = 11609683680. Its totient is φ = 10431514368.

The previous prime is 11020121137. The next prime is 11020121213. The reversal of 11020121201 is 10212102011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11020121201 - 26 = 11020121137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020121221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215171 + ... + 261416.

It is an arithmetic number, because the mean of its divisors is an integer number (1451210460).

Almost surely, 211020121201 is an apocalyptic number.

It is an amenable number.

11020121201 is a deficient number, since it is larger than the sum of its proper divisors (589562479).

11020121201 is a wasteful number, since it uses less digits than its factorization.

11020121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477823.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11020121201 its reverse (10212102011), we get a palindrome (21232223212).

The spelling of 11020121201 in words is "eleven billion, twenty million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 19 1217 23123 476587 9055153 580006379 11020121201