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2021000202111 = 31161242430367
BaseRepresentation
bin11101011010001100111…
…111111100011101111111
321011012112222102122120110
4131122030333330131333
5231103002022431421
64144233520121103
7266004161164062
oct35321477743577
97135488378513
102021000202111
1170a112a21520
12287824a66193
1311876c21a177
146db619368d9
1537886969a76
hex1d68cffc77f

2021000202111 has 8 divisors (see below), whose sum is σ = 2939636657664. Its totient is φ = 1224848607320.

The previous prime is 2021000202103. The next prime is 2021000202121. The reversal of 2021000202111 is 1112020001202.

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 2021000202111 - 23 = 2021000202103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021000202121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30621215151 + ... + 30621215216.

It is an arithmetic number, because the mean of its divisors is an integer number (367454582208).

Almost surely, 22021000202111 is an apocalyptic number.

2021000202111 is a deficient number, since it is larger than the sum of its proper divisors (918636455553).

2021000202111 is a wasteful number, since it uses less digits than its factorization.

2021000202111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61242430381.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2021000202111 its reverse (1112020001202), we get a palindrome (3133020203313).

The spelling of 2021000202111 in words is "two trillion, twenty-one billion, two hundred two thousand, one hundred eleven".

Divisors: 1 3 11 33 61242430367 183727291101 673666734037 2021000202111