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2000021011111 = 41479186754547
BaseRepresentation
bin11101000110101010100…
…010101011101010100111
321002012101220101022210101
4131012222202223222213
5230232020334323421
64130444051204531
7264332246044654
oct35065242535247
97065356338711
102000021011111
117012277a1842
1228374aba6747
131167a7a0ca96
146cb3159cc2b
1537059c7d191
hex1d1aa8abaa7

2000021011111 has 16 divisors (see below), whose sum is σ = 2054216586240. Its totient is φ = 1946087824320.

The previous prime is 2000021011019. The next prime is 2000021011123. The reversal of 2000021011111 is 1111101200002.

It is a cyclic number.

It is not a de Polignac number, because 2000021011111 - 219 = 2000020486823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2000021011181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36638740 + ... + 36693286.

It is an arithmetic number, because the mean of its divisors is an integer number (128388536640).

Almost surely, 22000021011111 is an apocalyptic number.

2000021011111 is a deficient number, since it is larger than the sum of its proper divisors (54195575129).

2000021011111 is a wasteful number, since it uses less digits than its factorization.

2000021011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56934.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 2000021011111 its reverse (1111101200002), we get a palindrome (3111122211113).

The spelling of 2000021011111 in words is "two trillion, twenty-one million, eleven thousand, one hundred eleven".

Divisors: 1 41 479 1867 19639 54547 76547 894293 2236427 26128013 36666013 101839249 1071248533 4175409209 48781000271 2000021011111