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2000210111021 = 29409168637561
BaseRepresentation
bin11101000110110101110…
…100000010101000101101
321002012220002012121002202
4131012311310002220231
5230232412242023041
64130514524231245
7264340033263443
oct35066564025055
97065802177082
102000210111021
1170131450a361
122837a239b525
13116807c4b915
146cb4c744b93
153706b682a9b
hex1d1b5d02a2d

2000210111021 has 8 divisors (see below), whose sum is σ = 2074242012600. Its totient is φ = 1926515485440.

The previous prime is 2000210110999. The next prime is 2000210111027. The reversal of 2000210111021 is 1201110120002.

It can be written as a sum of positive squares in 4 ways, for example, as 482866552996 + 1517343558025 = 694886^2 + 1231805^2 .

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 2000210111021 - 218 = 2000209848877 is a prime.

It is a super-2 number, since 2×20002101110212 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2000210110993 and 2000210111011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000210111027) 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, 84306920 + ... + 84330641.

It is an arithmetic number, because the mean of its divisors is an integer number (259280251575).

Almost surely, 22000210111021 is an apocalyptic number.

It is an amenable number.

2000210111021 is a deficient number, since it is larger than the sum of its proper divisors (74031901579).

2000210111021 is a wasteful number, since it uses less digits than its factorization.

2000210111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168637999.

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

Adding to 2000210111021 its reverse (1201110120002), we get a palindrome (3201320231023).

The spelling of 2000210111021 in words is "two trillion, two hundred ten million, one hundred eleven thousand, twenty-one".

Divisors: 1 29 409 11861 168637561 4890489269 68972762449 2000210111021