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202101021011 = 1873934311549
BaseRepresentation
bin1011110000111000101…
…0001101100101010011
3201022122202201121111102
42330032022031211103
511302400330133021
6232502142135015
720413152222461
oct2741612154523
9638582647442
10202101021011
117878a8373aa
123320328146b
131609a6a6986
149ad3155831
1553ccb3e00b
hex2f0e28d953

202101021011 has 8 divisors (see below), whose sum is σ = 202248076800. Its totient is φ = 201954010752.

The previous prime is 202101020987. The next prime is 202101021013. The reversal of 202101021011 is 110120101202.

202101021011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 202101021011 - 214 = 202101004627 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202101020983 and 202101021001.

It is not an unprimeable number, because it can be changed into a prime (202101021013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17493665 + ... + 17505213.

It is an arithmetic number, because the mean of its divisors is an integer number (25281009600).

Almost surely, 2202101021011 is an apocalyptic number.

202101021011 is a deficient number, since it is larger than the sum of its proper divisors (147055789).

202101021011 is a wasteful number, since it uses less digits than its factorization.

202101021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22765.

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

Adding to 202101021011 its reverse (110120101202), we get a palindrome (312221122213).

The spelling of 202101021011 in words is "two hundred two billion, one hundred one million, twenty-one thousand, eleven".

Divisors: 1 1873 9343 11549 17499439 21631277 107902307 202101021011