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2000111212121 = 111719211556753
BaseRepresentation
bin11101000110101111111…
…010110001011001011001
321002012122012010000022112
4131012233322301121121
5230232211432241441
64130501032402105
7264334422535451
oct35065772613131
97065565100275
102000111212121
11701273700130
12283775246335
131167c0602369
146cb3d55cd61
1537062b494eb
hex1d1afeb1659

2000111212121 has 16 divisors (see below), whose sum is σ = 2310413295168. Its totient is φ = 1711232947200.

The previous prime is 2000111212093. The next prime is 2000111212123. The reversal of 2000111212121 is 1212121110002.

It is not a de Polignac number, because 2000111212121 - 214 = 2000111195737 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2000111212096 and 2000111212105.

It is not an unprimeable number, because it can be changed into a prime (2000111212123) 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, 3314081 + ... + 3870833.

It is an arithmetic number, because the mean of its divisors is an integer number (144400830948).

Almost surely, 22000111212121 is an apocalyptic number.

It is an amenable number.

2000111212121 is a deficient number, since it is larger than the sum of its proper divisors (310302083047).

2000111212121 is a wasteful number, since it uses less digits than its factorization.

2000111212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575992.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2000111212121 its reverse (1212121110002), we get a palindrome (3212232322123).

The spelling of 2000111212121 in words is "two trillion, one hundred eleven million, two hundred twelve thousand, one hundred twenty-one".

Divisors: 1 11 17 187 19211 211321 326587 556753 3592457 6124283 9464801 104112811 10695781883 117653600713 181828292011 2000111212121